本文整理汇总了C#中System.Data.SQLite.SQLiteDataAdapter类的典型用法代码示例。如果您正苦于以下问题:C# SQLiteDataAdapter类的具体用法?C# SQLiteDataAdapter怎么用?C# SQLiteDataAdapter使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
SQLiteDataAdapter类属于System.Data.SQLite命名空间,在下文中一共展示了SQLiteDataAdapter类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: ExecuteReader
public static DataTable ExecuteReader(string sqlitefn, string command, List<SqliteParam> parameters, out string errorMessage)
{
DataTable dt = null;
try
{
errorMessage = "";
using (var conn = new SQLiteConnection(sqlitefn))
{
conn.Open();
var commandSql = new SQLiteCommand(command, conn);
if (parameters != null && parameters.Count > 0)
{
foreach (SqliteParam param in parameters)
{
commandSql.Parameters.Add(param.Name, param.Type).Value = param.Value;
}
}
dt = new DataTable();
var sqlDa = new SQLiteDataAdapter(commandSql);
sqlDa.Fill(dt);
conn.Close();
}
}
catch (Exception ex)
{
errorMessage = ex.ToString();
dt = null;
}
return dt;
}
示例2: ExecuteNonQueryDt
public static DataTable ExecuteNonQueryDt(string cmdText, SQLiteConnection con)
{
DataTable dt = new DataTable("Table");
try
{
using (con)
{
SQLiteDataAdapter da = new SQLiteDataAdapter(cmdText, con);
con.Open();
da.Fill(dt);
con.Close();
}
return dt;
}
catch (Exception ex)
{
using (FileStream file = new FileStream(AppDomain.CurrentDomain.BaseDirectory + "\\" + System.DateTime.Now.Date.ToString("dd-MMM-yyyy") + "_Log.txt", FileMode.Append, FileAccess.Write))
{
StreamWriter streamWriter = new StreamWriter(file);
streamWriter.WriteLine(System.DateTime.Now + " - " + "ExecuteNonQueryDt" + " - " + ex.Message.ToString());
streamWriter.Close();
}
return dt;
}
}
示例3: Update
private bool Update(int orderID, string pymntID, string state, string amount, string description, string updatedAt)
{
bool isSuccess = false;
int rowsAffacted = 0;
StringBuilder sqliteQueryUpdate = new StringBuilder();
sqliteQueryUpdate.Append("UPDATE orders ");
sqliteQueryUpdate.Append("SET ");
sqliteQueryUpdate.Append("payment_id = @payment_id, ");
sqliteQueryUpdate.Append("state = @state, ");
sqliteQueryUpdate.Append("amount = @amount, ");
sqliteQueryUpdate.Append("description = @description, ");
sqliteQueryUpdate.Append("updated_at = @updated_at ");
sqliteQueryUpdate.Append("WHERE ");
sqliteQueryUpdate.Append("id = @id");
SQLiteDataAdapter sqliteDataAdapterUpdate = new SQLiteDataAdapter();
sqliteDataAdapterUpdate.UpdateCommand = new SQLiteCommand();
sqliteDataAdapterUpdate.UpdateCommand.Parameters.AddWithValue("@payment_id", pymntID);
sqliteDataAdapterUpdate.UpdateCommand.Parameters.AddWithValue("@state", state);
sqliteDataAdapterUpdate.UpdateCommand.Parameters.AddWithValue("@amount", amount);
sqliteDataAdapterUpdate.UpdateCommand.Parameters.AddWithValue("@description", description);
sqliteDataAdapterUpdate.UpdateCommand.Parameters.AddWithValue("@updated_at", updatedAt);
sqliteDataAdapterUpdate.UpdateCommand.Parameters.AddWithValue("@id", orderID);
dataAccessObject = new DataAccessLayer();
rowsAffacted = dataAccessObject.Update(sqliteQueryUpdate.ToString(), sqliteDataAdapterUpdate);
if (rowsAffacted > 0)
{
isSuccess = true;
}
return isSuccess;
}
示例4: ExecuteDataSet
public static DataSet ExecuteDataSet(string SqlRequest, SQLiteConnection Connection)
{
DataSet dataSet = new DataSet();
dataSet.Reset();
SQLiteCommand cmd = new SQLiteCommand(SqlRequest, Connection);
try
{
Connection.Open();
SQLiteDataAdapter dataAdapter = new SQLiteDataAdapter(cmd);
dataAdapter.Fill(dataSet);
}
catch (SQLiteException ex)
{
Log.Write(ex);
//Debug.WriteLine(ex.Message);
throw; // пересылаем исключение на более высокий уровень
}
finally
{
Connection.Dispose();
}
return dataSet;
}
示例5: loadHeroDiary
private void loadHeroDiary()
{
// Load the latest Hero Diary entries
using (SQLiteConnection conn = new SQLiteConnection(@"Data Source=" + dbPath + @"\gv.db;Version=3;New=False;Compress=True;"))
{
conn.Open();
using (SQLiteCommand cmd = conn.CreateCommand())
{
string commandText = "select Diary_ID as ID, Updated, EntryTime, Entry from Diary where [email protected] order by Diary_ID desc limit 1000";
cmd.CommandText = commandText;
cmd.Parameters.AddWithValue("@HeroName", this.HeroName);
SQLiteDataAdapter da = new SQLiteDataAdapter(cmd);
DataSet ds = new DataSet();
da = new SQLiteDataAdapter(cmd);
ds = new DataSet();
da.Fill(ds);
BindingSource bindingSource = new BindingSource();
bindingSource.DataSource = ds.Tables[0];
grdDiary.DataSource = bindingSource;
grdDiary.AutoGenerateColumns = true;
grdDiary.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders;
grdDiary.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells;
}
}
}
示例6: FetchAll
/// <summary>
/// Получить данные из таблицы
/// </summary>
/// <param name="databasename">Имя таблицы</param>
/// <param name="where">Условия</param>
/// <param name="etc">Остальные параметры: сортировка, группировка и т.д.</param>
/// <returns>Таблица с данными</returns>
public DataTable FetchAll(string databasename, string where, string etc)
{
DataTable dt = new DataTable();
string sql = string.Format("SELECT * FROM {0} {1} {2}", databasename, where, etc);
ConnectionState previousConnectionState = ConnectionState.Closed;
using (SQLiteConnection connect = new SQLiteConnection(ConnectionString))
{
try
{
previousConnectionState = connect.State;
if (connect.State == ConnectionState.Closed)
{
connect.Open();
}
SQLiteCommand command = new SQLiteCommand(sql, connect);
SQLiteDataAdapter adapter = new SQLiteDataAdapter(command);
adapter.Fill(dt);
}
catch (Exception error)
{
System.Windows.Forms.MessageBox.Show(error.Message, "Ошибка при получении данных из базы", MessageBoxButtons.OK, MessageBoxIcon.Error);
return null;
}
finally
{
if (previousConnectionState == ConnectionState.Closed)
{
connect.Close();
}
}
}
return dt;
}
示例7: ExecuteDataSet
/// <summary>
/// 执行数据库查询,返回DataSet对象
/// </summary>
/// <param name="connectionString">连接字符串</param>
/// <param name="commandText">执行语句或存储过程名</param>
/// <param name="commandType">执行类型</param>
/// <returns>DataSet对象</returns>
public DataSet ExecuteDataSet(string connectionString, string commandText, CommandType commandType)
{
if (connectionString == null || connectionString.Length == 0)
throw new ArgumentNullException("connectionString");
if (commandText == null || commandText.Length == 0)
throw new ArgumentNullException("commandText");
DataSet ds = new DataSet();
SQLiteConnection con = new SQLiteConnection(connectionString);
SQLiteCommand cmd = new SQLiteCommand();
SQLiteTransaction trans = null;
PrepareCommand(cmd, con, ref trans, false, commandType, commandText);
try
{
SQLiteDataAdapter sda = new SQLiteDataAdapter(cmd);
sda.Fill(ds);
}
catch (Exception ex)
{
throw ex;
}
finally
{
if (con != null)
{
if (con.State == ConnectionState.Open)
{
con.Close();
}
}
}
return ds;
}
示例8: pegaExcecoesBloqueio
public static DataTable pegaExcecoesBloqueio(string termo)
{
string sql = "SELECT * FROM excecoes INNER JOIN bloqueios ON blo_id = exc_bloqueio WHERE blo_termo = @termo";
SQLiteConnection con = conexao.conectar();
SQLiteCommand cmd = new SQLiteCommand(sql, con);
cmd.Parameters.Add(new SQLiteParameter("@termo",termo));
DataTable dados = null;
try
{
cmd.ExecuteNonQuery();
SQLiteDataAdapter da = new SQLiteDataAdapter(cmd);
dados = new DataTable();
da.Fill(dados);
}
catch (SQLiteException e)
{
MessageBox.Show("Erro " + e.Message);
}
finally
{
con.Close();
}
return dados;
}
示例9: pegaExececoes
public static DataTable pegaExececoes(int bloqueio)
{
string sql = "SELECT * FROM excecoes WHERE exc_bloqueio = @bloqueio";
SQLiteConnection con = conexao.conectar();
SQLiteCommand cmd = new SQLiteCommand(sql, con);
cmd.Parameters.Add(new SQLiteParameter("@bloqueio", bloqueio));
try
{
cmd.ExecuteNonQuery();
SQLiteDataAdapter da = new SQLiteDataAdapter(cmd);
DataTable dados = new DataTable();
da.Fill(dados);
return dados;
}
catch (SQLiteException e)
{
MessageBox.Show("Erro " + e.Message);
return null;
}
finally
{
con.Close();
}
}
示例10: ExcuteInsertReturnRowID
/// <summary>
/// 对SQLite数据库执行Insert操作,并返回rowID。
/// </summary>
/// <param name="sql">要执行的Insert SQL语句</param>
/// <param name="parameters">执行Insert语句所需要的参数,参数必须以它们在SQL语句中的顺序为准</param>
/// <returns>RowID</returns>
public static int ExcuteInsertReturnRowID(string sql, SQLiteParameter[] parameters = null)
{
int rowID = -1;
int affectedRows;
using (SQLiteConnection connection = new SQLiteConnection(connectionString))
{
connection.Open();
using (DbTransaction transaction = connection.BeginTransaction())
{
using (SQLiteCommand command = new SQLiteCommand(connection))
{
command.CommandText = sql;
if (parameters != null)
{
command.Parameters.AddRange(parameters);
}
affectedRows = command.ExecuteNonQuery();
}
transaction.Commit();
}
if (affectedRows == 0)
{
return rowID;
}
string getRowIDSql = "select last_insert_rowid()";
using (SQLiteCommand getRowIDCmd = new SQLiteCommand(getRowIDSql, connection))
{
SQLiteDataAdapter adapter = new SQLiteDataAdapter(getRowIDCmd);
DataTable data = new DataTable();
adapter.Fill(data);
rowID = Convert.ToInt32(data.Rows[0][0]);
}
}
return rowID;
}
示例11: loadEntsDtBySql
protected DataTable loadEntsDtBySql(string sql)
{
DataTable ret = new DataTable("mytable");
try
{
open();
SQLiteCommand cmd = new SQLiteCommand();
cmd.CommandText = sql;
cmd.Connection = conn;
SQLiteDataAdapter da = new SQLiteDataAdapter(cmd);
da.Fill(ret);
close();
return ret;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
return ret;
}
}
示例12: ExecuteDataTable
/// <summary>
/// 执行一个查询语句,返回一个包含查询结果的DataTable
/// </summary>
/// <param name="sql">要执行的查询语句</param>
/// <param name="parameters">执行SQL查询语句所需要的参数,参数必须以它们在SQL语句中的顺序为准</param>
/// <returns></returns>
public int ExecuteDataTable(StringBuilder sql, SQLiteParameter[] parameters, ref DataTable dt)
{
try
{
using (SQLiteConnection connection = new SQLiteConnection(connectionString))
{
connection.Open();
using (SQLiteCommand command = new SQLiteCommand(sql.ToString(), connection))
{
if (parameters != null)
{
command.Parameters.AddRange(parameters);
}
SQLiteDataAdapter adapter = new SQLiteDataAdapter(command);
adapter.Fill(dt);
return 0;
}
}
}
catch (Exception ex)
{
return -1;
throw new Exception(ex.Message);
}
}
示例13: GetUser
private DataTable GetUser(string email)
{
DataTable datTable = new DataTable();
StringBuilder sqliteQuerySelect = new StringBuilder();
sqliteQuerySelect.Append("SELECT ");
sqliteQuerySelect.Append("id, ");
sqliteQuerySelect.Append("email, ");
sqliteQuerySelect.Append("encrypted_password, ");
sqliteQuerySelect.Append("sign_in_count, ");
sqliteQuerySelect.Append("current_sign_in_at, ");
sqliteQuerySelect.Append("last_sign_in_at, ");
sqliteQuerySelect.Append("last_sign_in_ip, ");
sqliteQuerySelect.Append("created_at, ");
sqliteQuerySelect.Append("updated_at, ");
sqliteQuerySelect.Append("credit_card_id, ");
sqliteQuerySelect.Append("credit_card_description ");
sqliteQuerySelect.Append("FROM users ");
sqliteQuerySelect.Append("WHERE email = @email");
SQLiteDataAdapter sqliteDataAdapterSelect = new SQLiteDataAdapter();
sqliteDataAdapterSelect.SelectCommand = new SQLiteCommand();
sqliteDataAdapterSelect.SelectCommand.Parameters.AddWithValue("@email", email);
dataAccessObject = new DataAccessLayer();
datTable = dataAccessObject.Select(sqliteQuerySelect.ToString(), sqliteDataAdapterSelect);
return datTable;
}
示例14: SelectQueryNew
public static DataTable SelectQueryNew (string query, string tablename)
{
//http://lists.ximian.com/pipermail/mono-list/2005-June/027584.html
checkOperatingSystem ();
/*IDbConnection dbcon;
dbcon = (IDbConnection) new SqliteConnection(CONstr);
dbcon.Open();
IDbCommand dbcmd = dbcon.CreateCommand();
dbcmd.CommandText = query;
IDataReader reader = dbcmd.ExecuteReader();
DataTable dt = new DataTable();
dt.Load(reader);
dt.AcceptChanges();*/
try
{
DataTable dt = new DataTable();
using (SQLiteConnection CON = new SQLiteConnection(CONstr))
{
SQLiteCommand CMD = new SQLiteCommand(query, CON);
DataSet dataset = new DataSet();
SQLiteDataAdapter AD = new SQLiteDataAdapter(CMD);
AD.Fill(dataset, tablename);
dt = dataset.Tables[0];
}
return dt;
}
catch(Exception Ex)
{
return new DataTable();
}
}
示例15: CheckcustomerID
public int CheckcustomerID(int customerid)
{
string sql = "select * from Listcustomer where [email protected] ";
try
{
conn.Open();
SQLiteCommand cmd = new SQLiteCommand(sql, conn);
cmd.Parameters.AddWithValue("@customerid", customerid);
SQLiteDataAdapter adapter = new SQLiteDataAdapter(cmd);
DataTable dt = new DataTable();
adapter.Fill(dt);
if (dt.Rows.Count>0)
return 1;
else
return 0;
}
catch (Exception ex)
{
return 0;
}
finally
{
conn.Close();
}
return 1;
}