設定列只讀

// You can handle the ShowingEditor event to cancel editor activation

gridView.ShowingEditor += (s, e) => {

e.Cancel = gridView.FocusedColumn.FieldName == "ID" && gridView.FocusedRowHandle % 2 == 0;

};

列新增按鈕

// Create the Commands column editor

RepositoryItemButtonEdit

commandsEdit.Buttons.Clear();

commandsEdit.Buttons.AddRange(new EditorButton[] {

new EditorButton(ButtonPredefines.Glyph, "Edit", -1, true, true

new EditorButton(ButtonPredefines.Glyph, "Delete", -1, true, true, false, ImageLocation.MiddleLeft, DemoHelper.GetDeleteImage())});

// Create an unbound Commands column

GridColumn commandsColumn = gridView.Columns.AddField("Commands"

commandsColumn.UnboundType = UnboundColumnType.Object;

commandsColumn.Visible = true;

commandsColumn.Width = 100;

// Hide commandsColumn from EditForm

commandsColumn.OptionsEditForm.Visible = DevExpress.Utils.DefaultBoolean.False;

// Display commands only for focused row

gridView.CustomRowCellEdit += (s, e) => {

if (e.RowHandle == gridView.FocusedRowHandle && e.Column == commandsColumn)

e.RepositoryItem = commandsEdit;

};

gridView.CustomRowCellEditForEditing += (s, e) => {

if (e.RowHandle == gridView.FocusedRowHandle && e.Column == commandsColumn)

e.RepositoryItem = commandsEdit;

};

// Allow only commandsColumn to be edited

gridView.ShowingEditor += (s, e) => {

e.Cancel = gridView.FocusedColumn != commandsColumn;

};

// Perform a specific action when an EditorButton is clicked

commandsEdit.ButtonClick += (s, e) => {

switch (e.Button.Caption) {

case "Edit":

// Start edit a row using EditForm

gridView.OptionsBehavior.EditingMode = GridEditingMode.EditFormInplace;

gridControl.BeginInvoke(new MethodInvoker(() => { gridView.ShowEditForm(); }));

break;

case "Delete":

// Delete focused row

gridControl.BeginInvoke(new MethodInvoker(() => { gridView.DeleteRow(gridView.FocusedRowHandle); }));

break;

}

};

// End the current row editing

EventHandler visibleChanged = null;

visibleChanged = (s, e) => {

Control c = s as Control;

if (!c.Visible)

gridControl.BeginInvoke(new MethodInvoker(() => { gridView.OptionsBehavior.EditingMode = GridEditingMode.Default; }));

c.VisibleChanged -= visibleChanged;

};

gridView.EditFormPrepared += (s, e) => {

e.Panel.VisibleChanged += visibleChanged;

};

非繫結列編輯

// Creating an unbound column that supports editing

GridColumn unboundColumn = gridView.Columns.AddField("CustomData");

unboundColumn.UnboundType = UnboundColumnType.String;

unboundColumn.Visible = true;

// Handling the CustomUnboundColumnData event

Dictionary<int, string> unboundData = new Dictionary<int, string>();

unboundData[5] = "Can live up to 20 years!";

gridView.CustomUnboundColumnData += (sender, e) =>

{

if(e.Column.FieldName == "CustomData") {

if(e.IsGetData) {

if(unboundData.ContainsKey(e.ListSourceRowIndex))

e.Value = unboundData[e.ListSourceRowIndex];

}

if(e.IsSetData && e.Value != null) {

unboundData[e.ListSourceRowIndex] = e.Value.ToString();

}

}

};

新行 預設資料

gridView.OptionsView.NewItemRowPosition = NewItemRowPosition.Top;

//Handle the InitNewRow event to initialize newly added rows. To initialize row cells use the SetRowCellValue method

gridView.InitNewRow += (s, e) => {

GridView view = s as GridView;

view.SetRowCellValue(e.RowHandle, view.Columns["RecordDate"], DateTime.Today);

view.SetRowCellValue(e.RowHandle, view.Columns["Name"], "CustomName");

view.SetRowCellValue(e.RowHandle, view.Columns["Notes"], "New Note");

};