从Telerik Radgrid中删除一行。 我如何获得所选行的索引？

Question

Here is the code I am using for delete functionality.

In RadgridItemdatabound funtion, I have to include this...

foreach (GridColumn col in RadGrid1.MasterTableView.Columns)
                {
                    dataItem["TemplateDeleteColumn"].Attributes.Add("onclick","CellClick('" + dataItem.ItemIndex + "','" + col.UniqueName + "');");
                }

Then I have to create Itemcommand function.

protected void RadGrid1_ItemCommand(object sender, GridCommandEventArgs e)
    {
        if (e.CommandName == "DeleteSelected")
        {
            GridDataItem item = (GridDataItem)e.Item;
            var itemIndex = item.ItemIndex;
            string LoginId = item.GetDataKeyValue("LoginId").ToString();
            Int32 CampusCode = Convert.ToInt32(item.GetDataKeyValue("CampusCode"));


            Definations def = new Definations();
            Int32 Result = def.deleteUserAssignCampus(LoginId, CampusCode);
            if (Result == 1)
            {
                BindDeptDatasimple();

                cmbColumName.SelectedValue = "";
                cmbDirection.SelectedValue = "";
                Response.Redirect("UserCampus.aspx", false);
                Session["deleteUserCampus"] = "Campus dissociated successfully.";
            }
        }
    }

I could not get index of the selected row in the "var ItemIndex". It always return zero index in ItemIndex. That's why the first row from the grid gets deleted. How I can get selected Index of selected row?

Answer 1

The item index will default to 0 because in your case you raise custom command through MasterTableView's client object method.

You will have to make sure that in your custom JS function, CellClick , item index is passed into fireCommand client method via the 2nd argument.

masterTable.fireCommand("DeleteSelected", itemIndex); 

Then in RadGrid1_ItemCommand event handler, you can retrieve the index value like this

GridDataItem item = (GridDataItem)e.Item;
var itemIndex = e.CommandArgument;