C# DataGridView.BeginEdit方法代码示例

		[Test] // Xamarin bug 5419
		public void EditingControlShowingTest_Bound ()
		{
			using (DataGridView _dataGridView = new DataGridView ()) {
				DataGridViewComboBoxColumn _nameComboBoxColumn;
				DataGridViewTextBoxColumn _firstNameTextBoxColumn;
				DataGridViewCheckBoxColumn _chosenCheckBoxColumn;

				_dataGridView.AutoGenerateColumns = false;

				// Add the event-handler.
				_dataGridView.EditingControlShowing
					+= new DataGridViewEditingControlShowingEventHandler
						(DataGridView_EditingControlShowingTest);

				// No columns have been found in the event-handler yet.
				editingControlShowingTest_FoundColumns = 0;

				// _nameComboBoxColumn
				_nameComboBoxColumn = new DataGridViewComboBoxColumn ();
				_nameComboBoxColumn.HeaderText = "Name";
				_nameComboBoxColumn.DataPropertyName = "Name";
				_dataGridView.Columns.Add (_nameComboBoxColumn);

				// _firstNameTextBoxColumn
				_firstNameTextBoxColumn = new DataGridViewTextBoxColumn ();
				_firstNameTextBoxColumn.AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
				_firstNameTextBoxColumn.HeaderText = "First Name";
				_firstNameTextBoxColumn.DataPropertyName = "FirstName";
				_dataGridView.Columns.Add (_firstNameTextBoxColumn);

				// _chosenCheckBoxColumn
				_chosenCheckBoxColumn = new DataGridViewCheckBoxColumn ();
				_chosenCheckBoxColumn.HeaderText = "Chosen";
				_chosenCheckBoxColumn.DataPropertyName = "Chosen";
				_chosenCheckBoxColumn.FalseValue = "false";
				_chosenCheckBoxColumn.TrueValue = "true";
				_dataGridView.Columns.Add (_chosenCheckBoxColumn);

				// .NET requires that all possible values for combo-boxes in a column
				// are added to the column.
				_nameComboBoxColumn.Items.Add ("de Icaza");
				_nameComboBoxColumn.Items.Add ("Toshok");
				_nameComboBoxColumn.Items.Add ("Harper");
				_nameComboBoxColumn.Items.Add ("Boswell");

				// Set up the contents of the data-grid.
				BindingList<EcstRecord> boundData = new BindingList<EcstRecord> ();
				boundData.Add (new EcstRecord ("de Icaza", "Miguel", true));
				boundData.Add (new EcstRecord ("Toshok", "Chris", false));
				boundData.Add (new EcstRecord ("Harper", "Jackson", false));
				boundData.Add (new EcstRecord ("Boswell", "Steven", true));
				_dataGridView.DataSource = boundData;

				// For data binding to work, there needs to be a Form, apparently.
				Form form = new Form ();
				form.ShowInTaskbar = false;
				form.Controls.Add (_dataGridView);
				form.Show ();

				// Make sure the data-source took.
				// (Without the Form, instead of having four rows, the data grid
				// only has one row, and all its cell values are null.)
				Assert.AreEqual (boundData.Count, _dataGridView.Rows.Count, "1-6");
				
				// Edit a combo-box cell.
				_dataGridView.CurrentCell = _dataGridView.Rows[3].Cells[0];
				Assert.AreEqual (true, _dataGridView.Rows[3].Cells[0].Selected, "1-7");
				Assert.AreEqual (true, _dataGridView.BeginEdit (false), "1-8");
				_dataGridView.CancelEdit();

				// Edit a text-box cell.
				_dataGridView.CurrentCell = _dataGridView.Rows[0].Cells[1];
				Assert.AreEqual (false, _dataGridView.Rows[3].Cells[0].Selected, "1-9");
				Assert.AreEqual (true, _dataGridView.Rows[0].Cells[1].Selected, "1-10");
				Assert.AreEqual (true, _dataGridView.BeginEdit (false), "1-11");
				_dataGridView.CancelEdit();

				// Edit a check-box cell.
				_dataGridView.CurrentCell = _dataGridView.Rows[3].Cells[2];
				Assert.AreEqual (false, _dataGridView.Rows[0].Cells[1].Selected, "1-12");
				Assert.AreEqual (true, _dataGridView.Rows[3].Cells[2].Selected, "1-13");
				Assert.AreEqual (true, _dataGridView.BeginEdit (false), "1-14");
				_dataGridView.CancelEdit();

				// Make sure the event-handler was called each time.
				// (DataGridViewCheckBoxCell isn't derived from Control, so the
				// EditingControlShowing event doesn't get called for it.)
				Assert.AreEqual (3, editingControlShowingTest_FoundColumns, "1-14");

				// Get rid of the form.
				form.Close();
			}
		}

 private void SetEditMode(DataGridView dataGridView)
 {
     if (dataGridView.SelectedCells.Count > 0)
     {
         DataGridViewCell cell = dataGridView.SelectedCells[0];
         dataGridView.CurrentCell = cell;
         dataGridView.BeginEdit(true);
     }
 }

		[Test] // Xamarin bug 5419
		public void EditingControlShowingTest_Unbound ()
		{
			using (DataGridView _dataGridView = new DataGridView ()) {
				DataGridViewComboBoxColumn _nameComboBoxColumn;
				DataGridViewTextBoxColumn _firstNameTextBoxColumn;
				DataGridViewCheckBoxColumn _chosenCheckBoxColumn;

				// Add the event-handler.
				_dataGridView.EditingControlShowing
					+= new DataGridViewEditingControlShowingEventHandler
						(DataGridView_EditingControlShowingTest);
				
				// No columns have been found in the event-handler yet.
				editingControlShowingTest_FoundColumns = 0;

				// _nameComboBoxColumn
				_nameComboBoxColumn = new DataGridViewComboBoxColumn ();
				_nameComboBoxColumn.HeaderText = "Name";
				_dataGridView.Columns.Add (_nameComboBoxColumn);

				// _firstNameTextBoxColumn
				_firstNameTextBoxColumn = new DataGridViewTextBoxColumn ();
				_firstNameTextBoxColumn.AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
				_firstNameTextBoxColumn.HeaderText = "First Name";
				_dataGridView.Columns.Add (_firstNameTextBoxColumn);

				// _chosenCheckBoxColumn
				_chosenCheckBoxColumn = new DataGridViewCheckBoxColumn ();
				_chosenCheckBoxColumn.HeaderText = "Chosen";
				_dataGridView.Columns.Add (_chosenCheckBoxColumn);

				// .NET requires that all possible values for combo-boxes in a column
				// are added to the column.
				_nameComboBoxColumn.Items.Add ("de Icaza");
				_nameComboBoxColumn.Items.Add ("Toshok");
				_nameComboBoxColumn.Items.Add ("Harper");
				_nameComboBoxColumn.Items.Add ("Boswell");

				// Set up the contents of the data-grid.
				_dataGridView.Rows.Add ("de Icaza", "Miguel", true);
				_dataGridView.Rows.Add ("Toshok", "Chris", false);
				_dataGridView.Rows.Add ("Harper", "Jackson", false);
				_dataGridView.Rows.Add ("Boswell", "Steven", true);
				
				// Edit a combo-box cell.
				_dataGridView.CurrentCell = _dataGridView.Rows[3].Cells[0];
				Assert.AreEqual (true, _dataGridView.Rows[3].Cells[0].Selected, "1-6");
				Assert.AreEqual (true, _dataGridView.BeginEdit (false), "1-7");
				_dataGridView.CancelEdit();

				// Edit a text-box cell.
				_dataGridView.CurrentCell = _dataGridView.Rows[0].Cells[1];
				Assert.AreEqual (false, _dataGridView.Rows[3].Cells[0].Selected, "1-8");
				Assert.AreEqual (true, _dataGridView.Rows[0].Cells[1].Selected, "1-9");
				Assert.AreEqual (true, _dataGridView.BeginEdit (false), "1-10");
				_dataGridView.CancelEdit();

				// Edit a check-box cell.
				_dataGridView.CurrentCell = _dataGridView.Rows[3].Cells[2];
				Assert.AreEqual (false, _dataGridView.Rows[0].Cells[1].Selected, "1-11");
				Assert.AreEqual (true, _dataGridView.Rows[3].Cells[2].Selected, "1-12");
				Assert.AreEqual (true, _dataGridView.BeginEdit (false), "1-13");
				_dataGridView.CancelEdit();

				// Make sure the event-handler was called each time.
				// (DataGridViewCheckBoxCell isn't derived from Control, so the
				// EditingControlShowing event doesn't get called for it.)
				Assert.AreEqual (3, editingControlShowingTest_FoundColumns, "1-14");

				_dataGridView.Dispose();
			}
		}

//.........这里部分代码省略.........
                        else
                            dRow["TOT"] = GetRoundedDose(startTotal);

                        index = cheque.Rows.IndexOf(dRow);
                        rowIsUpdated = true;
                    }
                    catch (Exception ex)
                    {
                        WriteLog(ex, MethodInfo.GetCurrentMethod().Name);
                    }
            }

            //Add new row
            if (!rowIsUpdated)
            {
                //winapi.Funcs.OutputDebugString("J");
                dRow = cheque.NewRow();
                dRow["ORIGPRICE"] = article["PRICE"];

                //C
                string c = dRow["C"].ToString();
                dRow.ItemArray = article.ItemArray;
                dRow["C"] = long.Parse(c);

                //TAX
                try
                {
                    index = Array.IndexOf<char>(AppConfig.TAX_MarketColumn, dRow["VG"].ToString()[0]);
                }
                catch { index = 0; }
                if (index < 0)
                    index = 0;
                char pch = AppConfig.TAX_AppColumn[index];
                index = Array.IndexOf<char>(AppConfig.TAX_AppTaxChar, pch);
                if (index >= 0)
                {
                    dRow["VG"] = pch;
                    dRow["TAX_VAL"] = AppConfig.TAX_AppTaxRates[index];
                    dRow["USEDDISC"] = AppConfig.TAX_AppTaxDisc[index];
                }

                if (UserConfig.Properties[17] || startTotal == 0.0)
                {
                    Request req = new Request(dRow, startTotal);
                    funcRezult = req.UpdateRowSource(chqDGW);
                    req.Dispose();
                    if (!funcRezult) return;
                }
                else
                    dRow["TOT"] = startTotal;

                #region Sorting article by ID and adding
                if (UserConfig.Properties[14] && cheque.Rows.Count != 0)
                {
                    index = 0;
                    do
                    {
                        if (GetIDCode(cheque.Rows[index]["ID"]) < GetIDCode(dRow["ID"]))
                            index++;
                        else
                            break;

                    } while (cheque.Rows.Count > index);
                    cheque.Rows.InsertAt(dRow, index);
                }
                else
                {
                    cheque.Rows.Add(dRow);
                    index = cheque.Rows.Count - 1;
                }
                #endregion
            }

            //winapi.Funcs.OutputDebugString("K");

            if (rowIsUpdated)
                index = dRow.Table.Rows.IndexOf(dRow);
            chqDGW.CurrentCell = chqDGW.Rows[index].Cells["TOT"];

            try
            {
                object uniqueKey = article["C"];
                article = (artDGW.DataSource as DataTable).Rows.Find(uniqueKey);
                if (article != null)
                    index = (artDGW.DataSource as DataTable).Rows.IndexOf(article);
                else
                {
                    artDGW.DataSource = artsTable;
                    article = artsTable.Rows.Find(uniqueKey);
                    index = artsTable.Rows.IndexOf(article);
                }
                artDGW.CurrentCell = artDGW.Rows[index].Cells[artDGW.Columns.GetFirstColumn(DataGridViewElementStates.Visible).Name];
            }
            catch { }

            chqDGW.BeginEdit(true);
            if (!UserConfig.Properties[22])
                chqDGW.EndEdit();
            //winapi.Funcs.OutputDebugString("E");
        }

//.........这里部分代码省略.........
                                    case "owned_date":
                                        destRow[dc] = DateTime.Now;
                                        break;
                                    case "modified_by":
                                    case "modified_date":
                                        break;
                                    default:
                                        // Column is not a required field (or is a boolean field that only allows Y or N)
                                        destRow[dc] = sourceRow[dc];
                                        break;
                                }
                            }
                        }
                        dt.Rows.InsertAt(destRow, dgv.CurrentRow.Index + 1);
            //RefreshDGVRowFormatting(dgv.Rows[dgv.CurrentRow.Index + 1], ux_checkboxHighlightChanges.Checked);
                    }
                }
            }

            if (e.KeyCode == Keys.OemQuotes && e.Control)
            {
                if (dgv.CurrentRow != null &&
                    dgv.CurrentRow.Index > 0)
                {
                    int sourceRowIndex;
                    DataRow sourceRow;
                    DataRow destinationRow;

                    // Processing keystroke...
                    keyProcessed = true;

                    if (dgv.CurrentRow.IsNewRow)
                    {
                        dgv.BeginEdit(true);
                        sourceRowIndex = dgv.CurrentRow.Index - 1;
                        sourceRow = ((DataRowView)dgv.Rows[sourceRowIndex].DataBoundItem).Row;
                        destinationRow = ((DataRowView)dgv.CurrentRow.DataBoundItem).Row;
                    }
                    else
                    {
                        sourceRowIndex = dgv.CurrentRow.Index - 1;
                        sourceRow = ((DataRowView)dgv.Rows[sourceRowIndex].DataBoundItem).Row;
                        destinationRow = ((DataRowView)dgv.CurrentRow.DataBoundItem).Row;
                    }

                    if (sourceRow != null && destinationRow != null)
                    {
                        if (!destinationRow[dgv.CurrentCell.ColumnIndex].Equals(sourceRow[dgv.CurrentCell.ColumnIndex]))
                        {
                            if (!dgv.Columns[dgv.CurrentCell.ColumnIndex].ReadOnly)
                            {
                                destinationRow[dgv.CurrentCell.ColumnIndex] = sourceRow[dgv.CurrentCell.ColumnIndex];
                            }
                        }
                    }
            //RefreshDGVRowFormatting(dgv.CurrentCell.OwningRow, ux_checkboxHighlightChanges.Checked);
                }
            }

            if (e.KeyCode == Keys.V && e.Control)
            {
                IDataObject dataObj = Clipboard.GetDataObject();
                string pasteText = "";
                //string[] junk = dataObj.GetFormats();
                if (dataObj.GetDataPresent(System.Windows.Forms.DataFormats.UnicodeText))
                {

 static void Edit(DataGridView grid, string text)
 {
     grid.BeginEdit(false);
     grid.EditingControl.Text = text;
     grid.EndEdit();
 }

        private void setFocusForDataGridViewCell(DataGridView dgv, int rowindex, int cellIndex)
        {
            dgv.CurrentCell = dgv.Rows[rowindex].Cells[cellIndex];
            dgv.CurrentCell.Selected = true;

            dgv.BeginEdit(true);
        }

 private void SetCellValue(DataGridView dataGridView, int rowIndex, int columnIndex, object value)
 {
     dataGridView.CurrentCell = dataGridView.Rows[rowIndex].Cells[columnIndex];
     dataGridView.BeginEdit(true);
     dataGridView.CurrentCell.Value = value;
     dataGridView.EndEdit();
 }