1
我有datagridview包含4列2 combobox。在datagridview的初始加载中,我可以用组合框选择一个项目,但是当我试图用其他组合框选择一个项目时,我得到一个错误,显示“System.ArgumentException:DataGridViewComboBoxCell Value无效。处理数据错误事件“。当我点击它总是显示此消息。DataGridViewComboBoxColumn自动完成
任何建议将不胜感激
预先感谢
Tirso的
下面是代码
Private Sub DataGridView1_EditingControlShowing(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewEditingControlShowingEventArgs) Handles DataGridView1.EditingControlShowing
If DataGridView1.CurrentCell.ColumnIndex = 0 Then
Dim sSQL As String = "SELECT * FROM pr_employees LEFT OUTER JOIN pr_employees_other_info ON pr_employees.employee_id = pr_employees_other_info.employee_id"
ReadSQL(sSQL)
Dim dtTable As New DataTable
dtTable.Load(reader)
Dim cbo As ComboBox = CType(e.Control, ComboBox)
cbo.DropDownStyle = ComboBoxStyle.DropDown
cbo.AutoCompleteMode = AutoCompleteMode.SuggestAppend
cbo.AutoCompleteSource = AutoCompleteSource.ListItems
cbo.DataSource = dtTable
cbo.DisplayMember = "first_name"
cbo.ValueMember = "employee_id"
End If
End Sub