edit form 裏的數字驗證

protected void RadGrid2_ItemCreated(object sender, GridItemEventArgs e)
    {
        if (e.Item is GridEditableItem && e.Item.IsInEditMode)
        {
            var item = e.Item as GridEditableItem;
            var editor1 = (GridTextBoxColumnEditor) item.EditManager.GetColumnEditor("mon");
            var editor2 = (GridTextBoxColumnEditor) item.EditManager.GetColumnEditor("tue");
            var editor3 = (GridTextBoxColumnEditor) item.EditManager.GetColumnEditor("wed");
            var editor4 = (GridTextBoxColumnEditor) item.EditManager.GetColumnEditor("thu");
            var editor5 = (GridTextBoxColumnEditor) item.EditManager.GetColumnEditor("fri");
            var editor6 = (GridTextBoxColumnEditor) item.EditManager.GetColumnEditor("sat");
            var editor7 = (GridTextBoxColumnEditor) item.EditManager.GetColumnEditor("sun");
            var cell1 = (TableCell) editor1.TextBoxControl.Parent;
            var cell2 = (TableCell) editor2.TextBoxControl.Parent;
            var cell3 = (TableCell) editor3.TextBoxControl.Parent;
            var cell4 = (TableCell) editor4.TextBoxControl.Parent;
            var cell5 = (TableCell) editor5.TextBoxControl.Parent;
            var cell6 = (TableCell) editor6.TextBoxControl.Parent;
            var cell7 = (TableCell) editor7.TextBoxControl.Parent;
            var validator = new RegularExpressionValidator[7];
            for (int i = 0; i < 7; i++)
            {
                validator[i] = new RegularExpressionValidator
                                   {
                                       ValidationExpression = @"^[1-9]/d*|0$",
                                       ErrorMessage = "<span style='color:red;font-size:12px'> Please input a number!"
                                   };
            }
            editor1.TextBoxControl.ID = "ID_for_validation1";
            editor2.TextBoxControl.ID = "ID_for_validation2";
            editor3.TextBoxControl.ID = "ID_for_validation3";
            editor4.TextBoxControl.ID = "ID_for_validation4";
            editor5.TextBoxControl.ID = "ID_for_validation5";
            editor6.TextBoxControl.ID = "ID_for_validation6";
            editor7.TextBoxControl.ID = "ID_for_validation7";
            validator[0].ControlToValidate = editor1.TextBoxControl.ID;
            validator[1].ControlToValidate = editor2.TextBoxControl.ID;
            validator[2].ControlToValidate = editor3.TextBoxControl.ID;
            validator[3].ControlToValidate = editor4.TextBoxControl.ID;
            validator[4].ControlToValidate = editor5.TextBoxControl.ID;
            validator[5].ControlToValidate = editor6.TextBoxControl.ID;
            validator[6].ControlToValidate = editor7.TextBoxControl.ID;
            cell1.Controls.Add(validator[0]);
            cell2.Controls.Add(validator[1]);
            cell3.Controls.Add(validator[2]);
            cell4.Controls.Add(validator[3]);
            cell5.Controls.Add(validator[4]);
            cell6.Controls.Add(validator[5]);
            cell7.Controls.Add(validator[6]);
        }
    }