Creating a dropdown in gridview control

Hi

If you want to do some operation upon selection of a value in dropdown list, use selectedindexchanged event with autopostback set as true.

From the sender parameter you can get the gridview row containing your dropdown.

DropDownList dlist=currentgridrow.FindControl("controlid") as Dropdownlist

;

Take a look at the attached sample.
 Download source file

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In .aspx Page
-----------------------------------
<asp:TemplateField HeaderText="Status" SortExpression="Status">
<ItemTemplate>
<asp:Label ID="lblStatus" runat="server" Text='<%# Eval("Status")%>' />
</ItemTemplate>
<EditItemTemplate>
<asp:DropDownList ID="ddlstatus" CssClass="changedropdown" runat="server">
</asp:DropDownList>
<img src="../../Themes/Images/reg-alert-icon.png" class="alert" id="imgeditstatus" style="margin-left: 5px;
float: right" alt="manditory" />
<asp:Label ID="lblNewStatus" runat="server" Text='<%# Eval("Status")%>' Visible="false" />
</EditItemTemplate>
<FooterTemplate>
<asp:DropDownList ID="ddlFooterStatus" CssClass="changedropdown" runat="server" Width="120">
</asp:DropDownList>
<img src="../../Themes/Images/reg-alert-icon.png" class="alert" id="imgstatus" style="margin-left: 5px;
float: right" alt="manditory" />
</FooterTemplate>
</asp:TemplateField>
in .aspx.cs
-------------------------------

in RowDataBound:
----------------------
if (e.Row.RowType == DataControlRowType.DataRow)
{

DropDownList ddlStatus = (DropDownList)e.Row.FindControl("ddlStatus");
if (ddlType != null && ddlStatus != null)
{
ResponseDTO objResponseDTO3 = (ResponseDTO)new TP.Services().Execute(TVCConstants.GetstatusDetails);
ddlStatus.DataSource = objResponseDTO3.ReturnObject;
ddlStatus.DataTextField = "status";
ddlStatus.DataValueField = "status";
ddlStatus.DataBind();
ddlStatus.SelectedItem.Text = lblNewStatus.Text;

}
}

Row Updating
----------------------------
GridViewRow row = (GridViewRow)grdCitationConfg.Rows[e.RowIndex];
DropDownList ddlstatus = (DropDownList)grdCitationConfg.Rows[e.RowIndex].Cells[1].Controls[1];
if (ddlstatus.SelectedValue.ToString() != "0")
{
obj.Status = ddlstatus.SelectedItem.Text;
}

thanks srinivas.

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