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Dear All,
I am using label in itemtemplate and in edititemtemplate, I am using dropdownlist. When I click on edit link in gridview, I want to show Dropdownlist with label's text as selected value with other database values. I tried many solutions, but didn't work. I have set autopostback true of dropdown. Here is my code -

protected void gvTransport_OnRowDataBound(object sender, GridViewRowEventArgs e)
if (e.Row.RowType == DataControlRowType.DataRow && gvTransport.EditIndex == e.Row.RowIndex)
/*... For getting Route Names from dbo.Transport_Routes table ...*/
DropDownList RouteName = (DropDownList)e.Row.FindControl("ddlRoute_ID");
Label lblRName = (Label)e.Row.FindControl("lblRoute_ID");

RouteName.DataSource = LoadStudentRoutes(); // To Get Route Names
RouteName.DataTextField = "Route_Name";
RouteName.DataValueField = "Route_ID";

RouteName.Items.FindByText(lblRName.Text).Selected = true;

but edit event is not fired, when I click edit link. Please help me in this situation.
Thanks and regards,
Rizwan Gazi.
Posted 7-May-14 22:44pm
Updated 8-May-14 0:25am

1 solution

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Solution 1

Hi Rizwan, Here is the solution:-
1. Firstly, Set autopostback of dropdownlist to "False"
2. With the use of RowCommand Event of the Grid View , Get the value of the Edited Label into the ViewState, As below:-

 protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
        if (e.CommandName == "Edit")
            GridViewRow gvRow = (GridViewRow)(((LinkButton)e.CommandSource).NamingContainer);
            Label lbl = (Label)gvRow.FindControl("Label1");
            ViewState["LabelValue"] = lbl.Text;

3. Finally, Use viewstate and Handle your RowDataBound Event as below :-
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
       if (e.Row.RowType == DataControlRowType.DataRow && GridView1.EditIndex == e.Row.RowIndex)
           //Label lbl = (Label)e.Row.FindControl("Label1");
           DropDownList ddl = (DropDownList)e.Row.FindControl("DropDownList1");
           ddl.SelectedValue = ddl.Items.FindByText(Convert.ToString(ViewState["LabelValue"])).Value;

4. Your Job Is done !!!

Dnyaneshwar@Pune 8-May-14 7:16am
good solution Jagbir Saini
Jagbir Saini 8-May-14 7:29am
Thanxs :)
Rizwan Gazi 8-May-14 8:10am
Thank you so much dear. Your solution worked perfect. I Searched many answers for this, but none suggested me of RowCommand event. I am very thankful of you to bring me out of the situation. Once again many thanks dear @Jagbir Saini for answering the question.
Jagbir Saini 8-May-14 8:20am
Welcome Rizwan

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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