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Wednesday, 21 October 2015

How to Find Gridview Control on Button Click in Asp.Net C#

10/21/2015 - By Pranav Singh 0

In this article I will show you how you can detect checkbox checked which is present in gridview using c#.net in asp.net on button click event.


<asp:GridView ID="gvApproveRejectAdds" runat="server" CssClass="gridtable" AllowPaging="True"
                 ShowHeaderWhenEmpty="True" EmptyDataText="No records found"
                    AutoGenerateColumns="False" PageSize="10" Width="100%" 
                    onpageindexchanging="gvApproveRejectAdds_PageIndexChanging">
                    <Columns>
                       
                        <asp:TemplateField HeaderText="SELECT">
                            <HeaderTemplate>
                               <input id="chkSelectAll" type="checkbox" />
                            </HeaderTemplate>
                            <ItemTemplate>
                                <asp:CheckBox ID="chkItem" runat="server" CssClass="chkItem"/>
                            </ItemTemplate>
                              <ItemStyle Width="50px" />
                        </asp:TemplateField>
                        <asp:TemplateField HeaderText="ADD LINK">
                            <ItemTemplate>
                                <a href='detail.aspx?id=<%#Eval("PostId") %>' target="_blank"> <%#Eval("Title")%></a>
                                <asp:HiddenField ID="hfId" runat="server" Value='<%#Eval("PostId") %>'/>
                            </ItemTemplate>
                             <ItemStyle Width="200px" />
                        </asp:TemplateField>
                        <asp:TemplateField HeaderText="DETAIL">
                            <ItemTemplate>
                                <asp:TextBox ID="TextBox1" runat="server" TextMode="MultiLine" Width="100%" Height="30px"
                                    Text='<%#Eval("RequestDetail") %>'></asp:TextBox>
                            </ItemTemplate>
                            <ItemStyle Width="200px" />
                        </asp:TemplateField>
                    </Columns>
                    <PagerSettings Position="TopAndBottom" />
                </asp:GridView>


Now add the below code on button click event.

protected void bthApproveall_Click(object sender, EventArgs e)
        {
            string postId = "";
            foreach (GridViewRow row in gvApproveRejectAdds.Rows)
            {
                CheckBox chkPostItem = (CheckBox)row.FindControl("chkItem");
                HiddenField txtPostId = (HiddenField)row.FindControl("hfId");
            }
        }

Now run the application to check the output. Here is the output what you get when you execute the code.







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