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Wednesday, 3 July 2013

How To Get Gridview Row Values When Checkbox Selected in C# and Vb in Asp.net

How To Get Gridview Row Values When Checkbox Selected in C# and Vb in Asp.net 


Program:

.Aspx File:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="first.aspx.cs" Inherits="first" %>

<!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>
<title>Get Checkbox Selected Row Values from Gridview</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="gvDetails" DataKeyNames="UserId" AutoGenerateColumns="false" CellPadding="5" runat="server">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:CheckBox ID="chkSelect" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField HeaderText="UserId" DataField="UserId" />
<asp:BoundField HeaderText="UserName" DataField="UserName" />
<asp:BoundField HeaderText="Education" DataField="Education" />
<asp:BoundField HeaderText="Location" DataField="Location" />
</Columns>
<HeaderStyle BackColor="#B52025" Font-Bold="true" ForeColor="White" />
</asp:GridView>
<asp:Button ID="btnProcess" Text="Get Selected Records" runat="server"
Font-Bold="true" onclick="btnProcess_Click" /><br />
<asp:Label ID="lblmsg" runat="server" />
</div>
</form>
</body>
</html>

C#

using System;
using System.Data;
using System.Data.SqlClient;
using System.Web.UI.WebControls;

public partial class first : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindGridviewData();
        }
    }
    protected void BindGridviewData()
    {
        DataTable dt = new DataTable();
        dt.Columns.Add("UserId", typeof(Int32));
        dt.Columns.Add("UserName", typeof(string));
        dt.Columns.Add("Education", typeof(string));
        dt.Columns.Add("Location", typeof(string));
        DataRow dtrow = dt.NewRow();  
        dtrow["UserId"] = 1;          
        dtrow["UserName"] = "Surani Sizar";
        dtrow["Education"] = "BE Computer";
        dtrow["Location"] = "Surat";
        dt.Rows.Add(dtrow);
        dtrow = dt.NewRow();            
        dtrow["UserId"] = 2;            
        dtrow["UserName"] = "Sahil";
        dtrow["Education"] = "BE EC";
        dtrow["Location"] = "Bharuch";
        dt.Rows.Add(dtrow);
        dtrow = dt.NewRow();            
        dtrow["UserId"] = 3;          
        dtrow["UserName"] = "Salim";
        dtrow["Education"] = "BE EC";
        dtrow["Location"] = "Mumbai";
        dt.Rows.Add(dtrow);
        gvDetails.DataSource = dt;
        gvDetails.DataBind();
    }
    protected void btnProcess_Click(object sender, EventArgs e)
    {
        string str = string.Empty;
        string strname = string.Empty;
        foreach (GridViewRow gvrow in gvDetails.Rows)
        {
            CheckBox chk = (CheckBox)gvrow.FindControl("chkSelect");
            if (chk != null & chk.Checked)
            {
                str += gvDetails.DataKeys[gvrow.RowIndex].Value.ToString() + ',';
                strname += gvrow.Cells[2].Text + ',';
            }
        }
        str = str.Trim(",".ToCharArray());
        strname = strname.Trim(",".ToCharArray());
        lblmsg.Text = "Selected UserIds: <b>" + str + "</b><br/>" + "Selected UserNames: <b>" + strname + "</b>";
    }
}

VB

Imports System.Data
Imports System.Data.SqlClient
Imports System.Web.UI.WebControls
Partial Class VBCode
Inherits System.Web.UI.Page
Protected Sub Page_Load(sender As Object, e As EventArgs) Handles Me.Load
If Not IsPostBack Then
BindGridviewData()
End If
End Sub
Protected Sub BindGridviewData()
Dim dt As New DataTable()
dt.Columns.Add("UserId", GetType(Int32))
dt.Columns.Add("UserName", GetType(String))
dt.Columns.Add("Education", GetType(String))
dt.Columns.Add("Location", GetType(String))
Dim dtrow As DataRow = dt.NewRow()
' Create New Row
dtrow("UserId") = 1
'Bind Data to Columns
dtrow("UserName") = "SureshDasari"
dtrow("Education") = "B.Tech"
dtrow("Location") = "Chennai"
dt.Rows.Add(dtrow)
dtrow = dt.NewRow()
' Create New Row
dtrow("UserId") = 2
'Bind Data to Columns
dtrow("UserName") = "MadhavSai"
dtrow("Education") = "MBA"
dtrow("Location") = "Nagpur"
dt.Rows.Add(dtrow)
dtrow = dt.NewRow()
' Create New Row
dtrow("UserId") = 3
'Bind Data to Columns
dtrow("UserName") = "MaheshDasari"
dtrow("Education") = "B.Tech"
dtrow("Location") = "Nuzividu"
dt.Rows.Add(dtrow)
gvDetails.DataSource = dt
gvDetails.DataBind()
End Sub
Protected Sub btnProcess_Click(sender As Object, e As EventArgs)
Dim str As String = String.Empty
Dim strname As String = String.Empty
For Each gvrow As GridViewRow In gvDetails.Rows
Dim chk As CheckBox = DirectCast(gvrow.FindControl("chkSelect"), CheckBox)
If chk IsNot Nothing And chk.Checked Then
str += gvDetails.DataKeys(gvrow.RowIndex).Value.ToString() + ","c
strname += gvrow.Cells(2).Text & ","c
End If
Next
str = str.Trim(",".ToCharArray())
strname = strname.Trim(",".ToCharArray())
lblmsg.Text = "Selected UserIds: <b>" & str & "</b><br/>" & "Selected UserNames: <b>" & strname & "</b>"
End Sub
End Class

Demo:


How To Get Gridview Row Values When Checkbox Selected in C# and Vb in Asp.net
How To Get Gridview Row Values When Checkbox Selected in C# and Vb in Asp.net 

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