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Tuesday, 3 February 2015

Find Selected Row Value Of GridView on Button Click In Asp.Net Using C#.Net

2/03/2015 - By Pranav Singh 0

This article will show you how you can find selected row value of gridview on button click in asp.net using c#.net. In this we will display selected row of in gridview.


So for this article first we will create a new asp.net application and add the below code in the page.

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication1.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Find Selected Row Value Of GridView on Button Click In Asp.Net Using C#.Net
    </title>
</head>
<body>
    <form id="form1" runat="server">
    <table width="100%" cellpadding="4" cellspacing="4">
        <tr>
            <td align="left">
                <asp:GridView ID="GridView1" runat="server" Width="100%" AutoGenerateColumns="False"
                    AllowPaging="True">
                    <Columns>
                        <asp:TemplateField HeaderText="">
                            <ItemTemplate>
                                <asp:CheckBox ID="CheckBox1" runat="server" />
                            </ItemTemplate>
                        </asp:TemplateField>
                        <asp:TemplateField HeaderText="Name">
                            <ItemTemplate>
                                <asp:Label ID="lblName" runat="server" Text='<%# Eval("Name") %>'></asp:Label>
                            </ItemTemplate>
                        </asp:TemplateField>
                        <asp:TemplateField HeaderText="Address">
                            <ItemTemplate>
                                <asp:Label ID="lblNamAddress" runat="server" Text='<%# Eval("Address") %>'></asp:Label>
                            </ItemTemplate>
                        </asp:TemplateField>
                        <asp:TemplateField HeaderText="User Type">
                            <ItemTemplate>
                                <asp:Label ID="lblUserType" runat="server" Text='<%# Eval("UserType") %>'></asp:Label>
                            </ItemTemplate>
                        </asp:TemplateField>
                    </Columns>
                </asp:GridView>
            </td>
        </tr>
    </table>
    <asp:Label ID="lblSelectedRowValue" runat="server" Style="color: #FF0000" Text=""></asp:Label>
    <br />
    <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Submit" />
    </form>
</body>
</html>

In above code I have use itemtemplate to bind the gridview fields and used label control to display the value using Eval.

Now check the code to bind and display no of pages.

using System;
using System.Data.SqlClient;
using System.Data;
using System.Web.UI.WebControls;
using System.Collections;
namespace WebApplication1
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                GetDistinctValue();
            }
        }
        private void GetDistinctValue()
        {
            SqlConnection con = new SqlConnection(System.Configuration.
ConfigurationManager.ConnectionStrings["con"].ToString());
            try
            {
                DataTable objdt = new DataTable();
                string query = "select * from UserDetail;";
                SqlDataAdapter da = new SqlDataAdapter(query, con);
                con.Open();
                da.Fill(objdt);
                con.Close();
                if (objdt.Rows.Count > 0)
                {
                    GridView1.DataSource = objdt;
                    GridView1.DataBind();
                }
            }
            catch
            {
                con.Close();
            }
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            string SelectedName = "";
            foreach (GridViewRow item in GridView1.Rows)
            {
                CheckBox checkbox1 = (CheckBox)item.FindControl("CheckBox1");
                if (checkbox1.Checked == true)
                {
                    Label lblName = (Label)item.FindControl("lblName");
                    Label lblNamAddress = (Label)item.FindControl("lblNamAddress");
                    Label lblUserType = (Label)item.FindControl("lblUserType");

                    SelectedName = "Name : "+ lblName.Text + "";
                    SelectedName = SelectedName + "Address : " + lblNamAddress.Text + "";
                    SelectedName = SelectedName + "Type : " + lblUserType.Text + "";
                }
            }
            lblSelectedRowValue.Text = SelectedName;
        }
    }
}

On above code I have used a function to bind the data. Now I have I have added the. Now check the below code to display the selected row of gridview control. I have displayed the selected row value on a label control.

            string SelectedName = "";
            foreach (GridViewRow item in GridView1.Rows)
            {
                CheckBox checkbox1 = (CheckBox)item.FindControl("CheckBox1");
                if (checkbox1.Checked == true)
                {
                    Label lblName = (Label)item.FindControl("lblName");
                    Label lblNamAddress = (Label)item.FindControl("lblNamAddress");
                    Label lblUserType = (Label)item.FindControl("lblUserType");

                    SelectedName = "Name : "+ lblName.Text + "";
                    SelectedName = SelectedName + "Address : " + lblNamAddress.Text + "";
                    SelectedName = SelectedName + "Type : " + lblUserType.Text + "";
                }
            }
            lblSelectedRowValue.Text = SelectedName;


Now we have done run the application to check the output.



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