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C# DataTable.GetChanges方法代碼示例

本文整理匯總了C#中System.Data.DataTable.GetChanges方法的典型用法代碼示例。如果您正苦於以下問題:C# DataTable.GetChanges方法的具體用法?C# DataTable.GetChanges怎麽用?C# DataTable.GetChanges使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在System.Data.DataTable的用法示例。


在下文中一共展示了DataTable.GetChanges方法的15個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。

示例1: GeneratorCommand

        /// <summary>
        /// 
        /// </summary>
        /// <param name="connectionName"></param>
        /// <param name="dbTableName"></param>
        /// <param name="table"></param>
        /// <returns></returns>
        public static List<SqlCommandObject> GeneratorCommand(string connectionName, string dbTableName, DataTable table, DataRowState state)
        {
            if (connectionName.IsEmpty())
                throw new Exception("GeneratorCommand方法中的connectionName為空.");

            List<SqlCommandObject> cmds = new List<SqlCommandObject>();
            if (table.IsEmpty())
                return cmds;

            InsertCommandGenerator insertCommandGenerator = new InsertCommandGenerator();
            DeleteCommandGenerator deleteCommandGenerator = new DeleteCommandGenerator();
            UpdateCommandGenerator updateCommandGenerator = new UpdateCommandGenerator();

            SqlCommandObject cmd = null;
            if (table != null)
            {
                DataTable dtChanges = null;
                if (state == DataRowState.Unchanged)
                {
                    dtChanges = table.GetChanges();
                }
                else
                {
                    dtChanges = table.GetChanges(state);
                }

                if (dtChanges == null) return cmds;

                if (dbTableName.IsEmpty())
                    throw new Exception("GeneratorCommand方法中的tableName為空.");

                foreach (DataRow dr in dtChanges.Rows)
                {
                    switch (dr.RowState)
                    {
                        case DataRowState.Deleted:
                            cmd = deleteCommandGenerator.GenerateCommand(connectionName, dbTableName, dr);
                            break;
                        case DataRowState.Modified:
                            cmd = updateCommandGenerator.GenerateCommand(connectionName, dbTableName, dr);
                            break;
                        case DataRowState.Added:
                            cmd = insertCommandGenerator.GenerateCommand(connectionName, dbTableName, dr);
                            break;
                        default:
                            cmd = null;
                            break;
                    }
                    if (cmd != null)
                    {
                        cmds.Add(cmd);
                    }
                }
            }
            return cmds;
        }
開發者ID:JodenSoft,項目名稱:JodenSoft,代碼行數:63,代碼來源:SqlCommandObjectGenerator.cs

示例2: Update

 public int Update(DataTable data)
 {
     int result = 0;
     if (data.GetChanges() != null) {
         adapter.UpdateCommand = GetUpdateCommand();
         adapter.InsertCommand = GetInsertCommand();
         adapter.DeleteCommand = GetDeleteCommand();
         result = adapter.Update(data.GetChanges());
         data.AcceptChanges();
     }
     return result;
 }
開發者ID:stejin,項目名稱:Kanji-Flashcards-for-Windows-Phone,代碼行數:12,代碼來源:MySqlClient.cs

示例3: SaveAttachedFile

 /// <summary>
 /// 保存附件
 /// </summary>
 /// <param name="storage">附件數據</param>
 public void SaveAttachedFile(DataTable storage)
 {
     DataTable temp = storage.GetChanges(); //獲取修改的記錄
     if (temp != null)//有新增或修改附件,保存數據
     {
         IBridge_DataDict bridge = BridgeFactory.CreateDataDictBridge(typeof(tb_sys_AttachFile));
         DataSet ds = new DataSet();
         ds.Tables.Add(temp);
         bridge.Update(ds);
     }
 }
開發者ID:wuhuayun,項目名稱:JieLi_Cord,代碼行數:15,代碼來源:bllAttachmentLib.cs

示例4: btnOK_Click

        private void btnOK_Click(object sender, EventArgs e)
        {
            if (MenuSet.pwdSet == '0')
            {
                MessageBox.Show("沒有設置該權限!", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }

            string strPwd = txtPwd.Text.Trim();
            string strSel = string.Format("SELECT * FROM rhdbs.user_info WHERE user_id='{0}' AND pwd='{1}'", TheToken.LoginUser, strPwd);

            DataTable dt = new DataTable();
            MySqlConnection conn = new MySqlConnection(TheToken.DataConnStr);
            conn.Open();
            MySqlDataAdapter da = new MySqlDataAdapter(strSel, conn);
            try
            {
                da.Fill(dt);
            }
            catch
            {
                MessageBox.Show("密碼錯誤!", "錯誤", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            try
            {
                if (txtPwdNew.Text != txtPwdNew2.Text)
                {
                    MessageBox.Show("兩次輸入密碼不一致!", "錯誤", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                }

                dt.Rows[0].BeginEdit();
                dt.Rows[0]["pwd"] = txtPwdNew.Text;
                dt.Rows[0].EndEdit();
                MySqlCommandBuilder scb = new MySqlCommandBuilder(da);
                scb.ReturnGeneratedIdentifiers = false;
                da.Update(dt.GetChanges());
                dt.AcceptChanges();
            }
            catch
            {
                MessageBox.Show("密碼錯誤!", "錯誤", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            MessageBox.Show("密碼修改成功。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }
開發者ID:ekel,項目名稱:SysManager,代碼行數:49,代碼來源:SubFormPwd.cs

示例5: Add

 public bool Add(int taskID, int userID, string message, List<DataModel.Modal.CommentAttachment> commentAttachments)
 {
     int retunvalue;
     try
     {
         var datatable = new DataTable();
         datatable.Columns.Add("Name", typeof(string));
         datatable.Columns.Add("Path", typeof(string));
         if (commentAttachments != null)
         {
             foreach (var commentAttachment in commentAttachments)
             {
                 var row = datatable.NewRow();
                 row["Name"] = commentAttachment.FileResource.name;
                 row["Path"] = commentAttachment.FileResource.path;
                 datatable.Rows.Add(row);
             }
         }
         using (SqlConnection con = new SqlConnection("Data Source=DESKTOP-7QFA5C9\\MSSQLSERVER_2012;Initial Catalog=SimplePlatformTemp;user id=sa;password=sa;"))
         {
             con.Open();
             using (var command = new SqlCommand())
             {
                 command.Connection = con;
                 command.CommandText = "[dbo].[sproc_SimplePlatForm_AddComment]";
                 command.CommandType = CommandType.StoredProcedure;
                 command.Parameters.Add(new SqlParameter { ParameterName = "@taksID", SqlDbType = SqlDbType.Int, Value = taskID });
                 command.Parameters.Add(new SqlParameter { ParameterName = "@userID", SqlDbType = SqlDbType.Int, Value = userID });
                 command.Parameters.Add(new SqlParameter { ParameterName = "@message", SqlDbType = SqlDbType.VarChar, Value = message });
                 var dataTableParameter = command.Parameters.AddWithValue("@Attachments", datatable.GetChanges());
                 dataTableParameter.SqlDbType = SqlDbType.Structured;
                 dataTableParameter.TypeName = "[dbo].[Attachments]";
                 command.Parameters.Add(new SqlParameter { ParameterName = "@Status", SqlDbType = SqlDbType.Int, Direction = ParameterDirection.ReturnValue });
                 command.ExecuteNonQuery();
                 retunvalue = (int)command.Parameters["@Status"].Value;
             }
             con.Close();
         }
         return retunvalue == 1;
     }
     catch (Exception ex)
     {
         return false;
     }
 }
開發者ID:dharabagadiya,項目名稱:SimplePlatform,代碼行數:45,代碼來源:CommentManager.cs

示例6: GetGroupAuthorityChanges

        /// <summary>
        /// 枚舉樹視圖,生成保存用的臨時數據。
        /// 思路:枚舉樹視圖中所有樹結點,跟據樹結點的操作狀態(新增,修改)生成資料行(DataRow)
        ///        新增:結點沒綁定DataRow且結點打勾. 為新增權限
        ///        修改: 結點有綁定DataRow且結點沒有打勾. 為刪除權限
        /// </summary>
        /// <param name="auths">樹視圖綁定的權限數據</param>
        /// <returns></returns>
        private DataTable GetGroupAuthorityChanges(DataTable auths)
        {
            foreach (TreeNode node in _treeAuthority.Nodes)
            {
                AuthNodeTag tag = node.Tag as AuthNodeTag;

                //結點沒綁定DataRow且結點打勾. 為新增權限
                if (tag.DataRow == null && node.Checked)
                    AddAuthority(auths, node);

                //結點有綁定DataRow且結點沒有打勾. 為刪除權限
                else if (tag.DataRow != null && !node.Checked)
                    tag.DataRow.Delete();

                //遞歸處理子結點
                if (node.Nodes.Count > 0)
                    GetGroupAuthorityChangesChild(node, auths);

            }

            //返回修改的記錄
            DataTable ret = auths.GetChanges();
            return ret == null ? auths.Clone() : ret;
        }
開發者ID:wuhuayun,項目名稱:JieLi_Cord,代碼行數:32,代碼來源:bllGroupAuthority.cs

示例7: UpdateDataBase

        public int UpdateDataBase(DbDataAdapter da, DataTable dt)
        {
            int updateCount = 0;

            try
            {
                DataTable dtChanges = dt.GetChanges();

                if (dtChanges != null && dtChanges.Rows.Count >= 0)
                {
                    updateCount = da.Update(dtChanges);
                    dt.AcceptChanges();
                }
            }
            catch (Exception)
            {
                dt.RejectChanges();
                throw;
            }
            return updateCount;
        }
開發者ID:ufo20020427,項目名稱:FileUpload,代碼行數:21,代碼來源:DataBaseAccess.cs

示例8: SaveData

        public Hashtable SaveData(string p_brid, string p_user, string p_terminal, ref DataTable p_dt, out string p_err)
        {
            #region variable Declaration
            int _intNumRecords = 0, tempSrno = 0;
            p_err = null;
            Hashtable _htSave = new Hashtable();
            _htSave.Add("TIMESTAMP", _strErrMsg);

            #endregion
            try
            {
                _base.Connect();
                DataTable _dtMas = p_dt.GetChanges();

                foreach (DataRow _drRow in _dtMas.Rows)
                {
                    switch (_drRow.RowState)
                    {
                        case DataRowState.Added:
                            _base.BeginTransaction(IsolationLevel.ReadCommitted);
                            _htSave = Add(p_brid, p_user, p_terminal, _drRow);

                            if (_htSave["p_flg"].ToString().ToUpper() == "N")
                            {
                                _strInsertErrMsg += "Exam Id " + _drRow["SRNO"].ToString() + "";
                                _base.Rollback();
                                continue;
                            }
                            else if (_htSave["p_flg"].ToString().ToUpper() == "Y")
                            {
                                tempSrno = int.Parse(_htSave["SRNO"].ToString());
                            }
                            break;
                        case DataRowState.Modified:
                            _base.BeginTransaction(IsolationLevel.ReadCommitted);
                            _htSave = Update(p_brid, p_user, p_terminal, _drRow);

                            if (_htSave["p_flg"].ToString().ToUpper() == "T")
                            {
                                _strTimeStampErrMsg += "Srno. = " + _drRow["SRNO"].ToString() + "";
                                _base.Rollback();
                                continue;
                            }
                            else if (_htSave["p_flg"].ToString().ToUpper() == "N")
                            {
                                _strUpdateErrMsg += "Srno. = " + _drRow["SRNO"].ToString() + "";
                                _base.Rollback();
                                continue;
                            }
                            else if (_htSave["p_flg"].ToString().ToUpper() == "Y")
                            {
                                tempSrno = int.Parse(_drRow["SRNO"].ToString());
                            }
                            break;
                        case DataRowState.Deleted:
                            _base.BeginTransaction(IsolationLevel.ReadCommitted);
                            _htSave = Delete(p_brid, p_user, p_terminal, _drRow);
                            if (_htSave["p_flg"].ToString().ToUpper() == "T")
                            {
                                _strTimeStampErrMsg += "Srno. = " + _drRow["SRNO", DataRowVersion.Original].ToString() + "";
                                _base.Rollback();
                                continue;
                            }
                            else if (_htSave["p_flg"].ToString().ToUpper() == "N")
                            {
                                _strTimeStampErrMsg += "Srno. = " + _drRow["SRNO", DataRowVersion.Original].ToString() + "";
                                _base.Rollback();
                                continue;
                            }
                            break;
                    }

                    DataRow[] _drRows = null;
                    if (_drRow.RowState != DataRowState.Deleted)
                    {
                        _drRows = p_dt.Select("SRNO = " + _drRow["SRNO"]);
                        if (_drRow.RowState == DataRowState.Added)
                        {
                            p_dt.Rows[p_dt.Rows.IndexOf(_drRows[0])]["SRNO"] = tempSrno;
                        }
                        p_dt.Rows[p_dt.Rows.IndexOf(_drRows[0])]["TIME_STAMP"] = _htSave["p_time_stamp"].ToString();
                    }
                    if (_drRow.RowState == DataRowState.Deleted)
                    {
                        _drRows = p_dt.Select("SRNO =" + _drRow["SRNO", DataRowVersion.Original], "", DataViewRowState.Deleted);
                    }
                    p_dt.Rows[p_dt.Rows.IndexOf(_drRows[0])].AcceptChanges();
                    _intNumRecords++;
                    _base.Commit();
                }

                GetTransactionSummary(_strInsertErrMsg, _strUpdateErrMsg, _strDeleteErrMsg, _strTimeStampErrMsg, out _strErrMsg);

                _htSave.Add("RESULT", "true");
                _htSave["TIMESTAMP"] = _strErrMsg;
                _htSave["SAVERECORD"] = _intNumRecords;

            }
            catch (Exception ex)
            {
//.........這裏部分代碼省略.........
開發者ID:rah-thakor-bot,項目名稱:SuitUpTeam,代碼行數:101,代碼來源:ResultMaster.cs

示例9: SetTable

        public DataTable SetTable(DataTable dt)
        {
            try
            {
                DataTable dtChanges = dt.GetChanges();
                if (dtChanges == null) throw new Exception("There are no changes to be saved!");
                CheckPKExists(dt);
                //Open and query
                if (_oleConn ==null) Open();
                if (_oleConn.State != ConnectionState.Open)
                    throw new Exception("Connection cannot open error.");
                if (SetSheetQuerySelect()==false) return null;

                //Fill table
                OleDbDataAdapter oleAdapter = SetSheetQueryAdapter(dtChanges);

                oleAdapter.Update(dtChanges);
                //Clean up
                _oleCmdSelect.Dispose();
                _oleCmdSelect=null;
                oleAdapter.Dispose();
                oleAdapter=null;
                if (KeepConnectionOpen==false) Close();
                return dt;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
開發者ID:nykma,項目名稱:ykt4sungard,代碼行數:30,代碼來源:ExcelReader.cs

示例10: Changes

		public void Changes () //To test GetChanges and RejectChanges
		{
			DataTable table = new DataTable ();

			DataColumn col = new DataColumn ();
			col.ColumnName = "Id";
			col.DataType = Type.GetType ("System.Int32");
			table.Columns.Add (col);
			UniqueConstraint uc = new UniqueConstraint ("UK1", table.Columns[0] );
			table.Constraints.Add (uc);
                                                                                                                             
			col = new DataColumn ();
			col.ColumnName = "Name";
			col.DataType = Type.GetType ("System.String");
			table.Columns.Add (col);			

			DataRow row = table.NewRow ();
			row ["Id"] = 147;
			row ["name"] = "Abc";
			table.Rows.Add (row);
			table.AcceptChanges ();
                        
			row = table.NewRow ();
			row ["Id"] = 47;
			row ["name"] = "Efg";
			table.Rows.Add (row);

			//Testing GetChanges
			DataTable changesTable = table.GetChanges ();
			AssertEquals ("#A01", 1 ,changesTable.Rows.Count);
 			AssertEquals ("#A02","Efg" ,changesTable.Rows[0]["Name"]);               	
			table.AcceptChanges ();
			changesTable = table.GetChanges ();
			try {
				int cnt = changesTable.Rows.Count;
			}
			catch(Exception e) {
				if (e.GetType () != typeof (AssertionException))
					AssertEquals ("#A03",typeof(NullReferenceException) ,e.GetType ());
				else
					Console.WriteLine (e);
			}
			
			//Testing RejectChanges
			row = table.NewRow ();
                        row ["Id"] = 247;
                        row ["name"] = "Hij";
                        table.Rows.Add (row);

			(table.Rows [0])["Name"] = "AaBbCc";
			table.RejectChanges ();
			AssertEquals ("#A03", "Abc" , (table.Rows [0]) ["Name"]);
			AssertEquals ("#A04", 2, table.Rows.Count);
		}
開發者ID:jjenki11,項目名稱:blaze-chem-rendering,代碼行數:54,代碼來源:DataTableTest.cs

示例11: Main

        static void Main(string[] args)
        {
            //Należy skonfigurować połączenie.
            SqlConnection connection = new SqlConnection("Data Source=XYZ-COMP\\SQLEXPRESS; Initial Catalog=animal; Integrated Security=true;");

            SqlDataAdapter da = new SqlDataAdapter();
            da.SelectCommand = new SqlCommand("SELECT * FROM Zwierz", connection);
            da.InsertCommand = new SqlCommand("INSERT INTO Zwierz (ID, Nazwa_pl, Nazwa_ang) VALUES(@ID, @Nazwa_pl, @Nazwa_ang)", connection);
            da.UpdateCommand = new SqlCommand("UPDATE Zwierz SET [email protected], [email protected]_pl, [email protected]_ang WHERE [email protected]_prev", connection);
            da.DeleteCommand = new SqlCommand("DELETE FROM Zwierz WHERE [email protected]", connection);

            da.InsertCommand.Parameters.Add("@ID", SqlDbType.Int, 0, "ID").SourceVersion = DataRowVersion.Original;
            da.InsertCommand.Parameters.Add("@Nazwa_pl", SqlDbType.VarChar, 30, "Nazwa_pl").SourceVersion = DataRowVersion.Original;
            da.InsertCommand.Parameters.Add("@Nazwa_ang", SqlDbType.VarChar, 30, "Nazwa_ang").SourceVersion = DataRowVersion.Original;

            da.UpdateCommand.Parameters.Add("@ID", SqlDbType.Int, 0, "ID").SourceVersion = DataRowVersion.Current;
            da.UpdateCommand.Parameters.Add("@Nazwa_pl", SqlDbType.VarChar, 30, "Nazwa_pl").SourceVersion = DataRowVersion.Current;
            da.UpdateCommand.Parameters.Add("@Nazwa_ang", SqlDbType.VarChar, 50, "Nazwa_ang").SourceVersion = DataRowVersion.Current;
            da.UpdateCommand.Parameters.Add("@ID_Prev", SqlDbType.Int, 0, "ID").SourceVersion = DataRowVersion.Original;

            da.DeleteCommand.Parameters.Add("@ID", SqlDbType.Int, 0, "ID").SourceVersion = DataRowVersion.Current;

            DataTable dt = new DataTable("Zwierz");
            da.Fill(dt);

            //var start--------------
            int ID;
            String Nazwa_pl, Nazwa_ang;

            String wybor; //opcja uzytkownika
            int indeks; //indeks wiersza do usuniecia

            DataRowCollection itemColumns = dt.Rows;
            DataTable dtChanges = dt.GetChanges();
            //var end-----------------

            while (true) //dopoki uzytkownik nie zakonczy programu
            {
                Console.WriteLine("Wybierz 1 - dodaj zwierza");
                Console.WriteLine("Wybierz 2 - usun zwierza");
                Console.WriteLine("Wybierz 3 - modyfikuj zwierza");
                Console.WriteLine("Wybierz 4 - listuj");
                Console.WriteLine("Wybierz 5 - zakoncz");

                wybor = Console.ReadLine(); //pobranie opcji

                if (wybor.Equals("1"))
                {
                    Console.WriteLine("Podaj w kolejnych 3 wierszach wartosci: ID, Nazwa_pl, Nazwa_ang");
                    ID = Convert.ToInt32(Console.ReadLine());
                    Nazwa_pl = Console.ReadLine();
                    Nazwa_ang = Console.ReadLine();

                    DataRow newRow = dt.NewRow();
                    newRow["ID"] = ID;
                    newRow["Nazwa_pl"] = Nazwa_pl;
                    newRow["Nazwa_ang"] = Nazwa_ang;
                    dt.Rows.Add(newRow);

                    dtChanges = dt.GetChanges();
                    if (dtChanges != null)
                    {
                        da.Update(dtChanges);
                        dt.AcceptChanges();
                    }
                }
                else if (wybor.Equals("2"))
                {
                    Console.WriteLine("Podaj numer wiersza tabeli, ktory chcesz usunac (numerujac wiersze od zera):");
                    indeks = Convert.ToInt32(Console.ReadLine());

                    itemColumns[indeks].Delete();
                    dtChanges = dt.GetChanges();

                    if (dtChanges != null)
                    {
                        da.Update(dtChanges);
                        dt.AcceptChanges();
                    }
                }
                else if (wybor.Equals("3"))
                {
                    Console.WriteLine("Podaj numer wiersza tabeli, ktory chcesz zmodyfikowac (numerujac wiersze od zera):");
                    indeks = Convert.ToInt32(Console.ReadLine());

                    Console.WriteLine("Podaj w kolejnych 3 wierszach nowe wartosci: ID, Nazwa_pl, Nazwa_ang");
                    ID = Convert.ToInt32(Console.ReadLine());
                    Nazwa_pl = Console.ReadLine();
                    Nazwa_ang = Console.ReadLine();

                    itemColumns[indeks]["ID"] = ID;
                    itemColumns[indeks]["Nazwa_pl"] = Nazwa_pl;
                    itemColumns[indeks]["Nazwa_ang"] = Nazwa_ang;

                    dtChanges = dt.GetChanges();

                    if (dtChanges != null)
                    {
                        da.Update(dtChanges);
                        dt.AcceptChanges();
//.........這裏部分代碼省略.........
開發者ID:phass,項目名稱:Slownik_zwierzat,代碼行數:101,代碼來源:Program.cs

示例12: Save

		/// <summary>
		/// Saves the table to the DB.
		/// </summary>
		/// <param name="table">database table.</param>
        public void Save(DataTable table)
		{
			try
			{
				// prepares select command.
				string query = "SELECT * FROM " + table.TableName;
				
				command.CommandType = CommandType.Text;
				command.CommandText = query;
				command.Connection = connection;
				// opens connection.
				connection.Open();
				// gets transaction context.
				SqlTransaction transaction = connection.BeginTransaction(IsolationLevel.RepeatableRead);
				command.Transaction = transaction;
				// sets the SqlCommandBuilder that constructs update, delete, insert commands.
				SqlDataAdapter dataAdapter = new SqlDataAdapter();
				dataAdapter.SelectCommand = command;
				SqlCommandBuilder commandBuilder = new SqlCommandBuilder(dataAdapter);

				try
				{
					DataTable changes;

					changes = table.GetChanges(DataRowState.Deleted); 
					if(changes != null)
						dataAdapter.Update(changes);
					changes = table.GetChanges(DataRowState.Modified);
					if(changes != null)
						dataAdapter.Update(changes);
					changes = table.GetChanges(DataRowState.Added);
					if(changes != null)
						dataAdapter.Update(changes);
					
					transaction.Commit();
				}
				catch
				{
					transaction.Rollback();
					throw;
				}
			}
			catch(Exception e)
			{
				Log.WriteErrorToLog(e.Message);
				throw;
			}
		}
開發者ID:ViniciusConsultor,項目名稱:ecustomsgs1,代碼行數:52,代碼來源:SqlAccessor.cs

示例13: UpdateData

 private void UpdateData(DataTable table)
 {
     DataTable deleted = table.GetChanges(DataRowState.Unchanged);
     if (deleted != null)
     {
         DataColumn[] columns = table.PrimaryKey;
         if (columns != null && columns.Length != 0)
         {
             foreach (DataRow row in deleted.Rows)
             {
                 object[] keys = GetPrimaryKeyValue(row, columns);
                 DataRow found = table.Rows.Find(keys);
                 if (found != null)
                     table.Rows.Remove(found);
             }
         }
     }
     table.AcceptChanges();
 }
開發者ID:gitter-badger,項目名稱:administrator,代碼行數:19,代碼來源:Document.cs

示例14: MergeChanges

        /// <summary>
        /// Merge all changes in DataTable sourceData to the imported DataSet
        /// </summary>
        /// <param name="sourceData">DataTable that contains changes</param>
        public void MergeChanges(DataTable sourceData)
        {
            string connection_string;
            string query;
            DataTable DestinationDataTable = new DataTable();

            query = "SELECT * FROM (" + sourceData.TableName + ");";

            connection_string = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" + dbpath + ";";
            OleDbConnection Connection = new OleDbConnection(connection_string);
            OleDbDataAdapter accessOleAdapter = new OleDbDataAdapter(query, Connection);
            OleDbCommandBuilder myCB = new OleDbCommandBuilder(accessOleAdapter);
            Connection.Open();

            accessOleAdapter.Fill(DestinationDataTable);
            DestinationDataTable.TableName = sourceData.TableName;

            DestinationDataTable.Merge(sourceData, true, MissingSchemaAction.Ignore);

            try
            {

                accessOleAdapter.Update(DestinationDataTable.GetChanges());
                DestinationDataTable.AcceptChanges();
                sourceData.AcceptChanges();
            }
            catch (Exception E)
            {
                MessageBox.Show(E.Message);

            }
            Connection.Close();
        }
開發者ID:glocklueng,項目名稱:helocamosun,代碼行數:37,代碼來源:DBHandler.cs

示例15: SaveData

        public Hashtable SaveData(ref DataTable p_dtParameter)
        {
            int _intNumRecords = 0;
            string _strCriteria = "";
            Hashtable _htSave = new Hashtable();
            string _strTimeStampErrMsg = "Timestamp  Error : \n";
            string _strInsertErrMsg = "Problem In Inserting Record : \n";
            string _strUpdateErrMsg = "Problem In Updating Record : \n";
            string _strDeleteErrMsg = "Record can't deleted due to child record exist : \n";
            string _strErrMsg = "";
            _htSave.Add("TIMESTAMP", _strErrMsg);

            try
            {
                wrap.GetConnection();
                DataTable _dtTemp = p_dtParameter.GetChanges();
                DataRow[] _drRows;
                _strCriteria = "";
                foreach (DataRow _drRow in _dtTemp.Rows)
                {
                    if (_drRow.RowState != DataRowState.Deleted)
                    {
                        bool _isCheckDuplicate = true;
                        if (_drRow.RowState == DataRowState.Modified)
                        {
                            if ((GetValueOfObject(_drRow["SHIFT_NAME", DataRowVersion.Current])) == (GetValueOfObject(_drRow["SHIFT_NAME", DataRowVersion.Original])))
                            {
                                _isCheckDuplicate = false;
                            }
                            if (_isCheckDuplicate)
                            {
                                if (CheckExistUserName(_drRow["UserName", DataRowVersion.Original].ToString(),_drRow["Password",DataRowVersion.Original].ToString(),"Other") == 'Y')
                                {

                                    _htSave.Add("RESULT", "true");

                                }
                            }

                        }//if(modified)

                    }

                    switch (_drRow.RowState)
                    {
                        case DataRowState.Added:
                            _htSave = AddData(_drRow);

                            _strCriteria = FetchCriteria(_drRow, DataRowVersion.Current, out p_err);
                            _drRows = p_dtParameter.Select(_strCriteria);
                            if (_drRows.Length > 0)
                            {
                                if (_drRow.RowState == DataRowState.Added)
                                {
                                    p_dtParameter.Rows[p_dtParameter.Rows.IndexOf(_drRows[0])]["SHIFT_ID"] = _htSave["p_shift_id"].ToString();
                                }
                                p_dtParameter.Rows[p_dtParameter.Rows.IndexOf(_drRows[0])]["TIME_STAMP"] = _htSave["p_time_stamp"].ToString();
                            }

                            if (_htSave["p_flg"].ToString().ToUpper() == "N")
                                _strInsertErrMsg += "Shift Name = " + _drRow["SHIFT_NAME"] + "\n";
                            break;

                        case DataRowState.Modified:
                            _htSave = UpdateData(p_entTerm, p_entUser, _drRow, out p_err);
                            if (_htSave["p_flg"].ToString().ToUpper() == "T")
                            {
                                _strTimeStampErrMsg += "Shift Name = " + _drRow["SHIFT_NAME"] + "\n";

                                continue;
                            }
                            if (_htSave["p_flg"].ToString().ToUpper() == "N")
                                _strUpdateErrMsg += "Shift Name = " + _drRow["SHIFT_NAME"] + "\n";

                            break;

                        case DataRowState.Deleted:
                            _htSave = DeleteData(p_entUser, p_entTerm, _drRow, out p_err);

                            _strCriteria = FetchCriteria(_drRow, DataRowVersion.Original, out p_err);
                            _drRows = p_dtParameter.Select(_strCriteria);
                            if (_drRows.Length > 0)
                            {
                                if (_drRow.RowState == DataRowState.Deleted)
                                {
                                    p_dtParameter.Rows[p_dtParameter.Rows.IndexOf(_drRows[0])]["SHIFT_ID"] = _htSave["p_shift_id"].ToString();
                                }
                                p_dtParameter.Rows[p_dtParameter.Rows.IndexOf(_drRows[0])]["TIME_STAMP"] = _htSave["p_time_stamp"].ToString();
                            }
                            if (_htSave["p_flg"].ToString().ToUpper() == "T")
                            {
                                _strTimeStampErrMsg += "Shift Name = " + _drRow["SHIFT_NAME", DataRowVersion.Original] + "\n";

                                continue;
                            }

                            if (_htSave["p_flg"].ToString().ToUpper() == "N")
                                _strDeleteErrMsg += "Shift = " + _drRow["SHIFT_NAME", DataRowVersion.Original] + "\n";

                            break;
//.........這裏部分代碼省略.........
開發者ID:VickySaitec,項目名稱:LocalProjects,代碼行數:101,代碼來源:Users.cs


注:本文中的System.Data.DataTable.GetChanges方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。