问题描述
我正在尝试通过组合框设置列单元格的值。我有以下
表格中的ID,Name和Reference列非常简单。
private void Form_Load(object sender,EventArgs e)
{
DataTable dt = GetData(); // populates correctly
if (dt.Rows.Count > 0)
{
//bind to the grid
gridControl1.DataSource = dt;
}
riComboBox = new RepositoryItemComboBox();
riComboBox.Items.AddRange(companies);
gridControl1.RepositoryItems.Add(riComboBox);
gridView1.Columns["Companies"].ColumnEdit = riComboBox;
}
public static string[] companies= new string[] { "Company1","company2","company3","company4","company5","company6","company7","company8","company9","company10"};
private void gridView1_CellValueChanging(object sender,DevExpress.XtraGrid.Views.Base.CellValueChangedEventArgs e)
{
gridView1.ShowEditor();
GridView view = sender as GridView;
DevExpress.XtraGrid.Columns.GridColumn col = view.Columns.ColumnByFieldName("Companies");
if (col == null) return;
gridControl1.BeginUpdate();
try
{
gridView1.CellValueChanging -= new
DevExpress.XtraGrid.Views.Base.CellValueChangedEventHandler(gridView1_CellValueChanging);
ComboBoxEdit edit = gridView1.ActiveEditor as ComboBoxEdit;
if (edit != null)
{
string newValue = edit.Text;
gridView1.SetFocusedValue(newValue);
gridControl1.EndUpdate();
}
}
finally
{
gridView1.CellValueChanging += new
DevExpress.XtraGrid.Views.Base.CellValueChangedEventHandler(gridView1_CellValueChanging);
}
}
我可以看到下拉列表并选择一个值,但是该值未保存在单元格中,如果我添加新行,则该值将被清除。有什么问题的建议吗?
解决方法
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