How to create checkbox in gridview depending on the record

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I know the basics of datagridview.
I can display the contents of a table in gridview.

Now my question is that how to create a checkbox for all the records in the gridview.

Then how to select the the record based on the checkbox click.

Please do help me to get rid of this problem

Posted 3-May-14 23:34pm

KUMAR619

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[no name] 4-May-14 5:54am

http://www.google.com/search?q=how+to+create+a+checkbox+for+all+the+records+in+the+gridview

2 solutions

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Peter Leow · Accepted Answer · 2014-05-04T01:32:00

Study this example and adapt to your need:
the aspx page:

XML

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default31.aspx.cs" Inherits="Default31" %>

<!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 id="Head1" runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <asp:GridView ID="GridView1" runat="server">
        <Columns>
            <asp:TemplateField>
                <HeaderTemplate>

                </HeaderTemplate>
                <ItemTemplate>
                    <asp:CheckBox ID="CheckBox1" runat="server" />
                </ItemTemplate>
            </asp:TemplateField>
        </Columns>
    </asp:GridView>
    <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />
    <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
    </form>
</body>
</html>

the code behind:

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

public partial class Default31 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (IsPostBack == true)
            return;
        DataTable dtTemp = new DataTable();
        dtTemp.Columns.Add("Student ID");
        dtTemp.Columns.Add("First Name");
        dtTemp.Columns.Add("Last Name");
        dtTemp.Rows.Add("1", "Peter", "Leow");
        dtTemp.Rows.Add("2", "James", "Song");
        dtTemp.Rows.Add("3", "Mick", "Sam");
        dtTemp.Rows.Add("4", "MAry", "Cool");
        GridView1.DataSource = dtTemp;
        GridView1.DataBind();
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        foreach (GridViewRow row in GridView1.Rows)
        {
            CheckBox chkBox = (CheckBox)row.FindControl("CheckBox1");
            if (chkBox != null && chkBox.Checked)
            {
                TextBox1.Text = row.Cells[2].Text.ToString();
            }
        }
    }
}

praveen_07 · Accepted Answer · 2014-05-04T16:56:00

Add Checkbox in Gridview

Here is the format for asp.net project and drag the gridview control

C#

<asp:gridview id="GridVwHeaderChckbox" runat="server" autogeneratecolumns="False" xmlns:asp="#unknown">
                Font-Names="Verdana" PageSize="5" Width="55%" BorderColor="#CCCCCC" BorderStyle="Solid"
                BorderWidth="1px">
                <alternatingrowstyle backcolor="#BFE4FF" />
                <pagerstyle bordercolor="#CCCCCC" borderstyle="Solid" borderwidth="1px" />
                <headerstyle height="30px" backcolor="#6DC2FF" font-size="15px" bordercolor="#CCCCCC">
                    BorderStyle="Solid" BorderWidth="1px" />
                <rowstyle height="20px" font-size="13px" bordercolor="#CCCCCC" borderstyle="Solid">
                    BorderWidth="1px" />
                <columns>
                    <asp:boundfield datafield="Emp_Name" headertext="Employee Name" headerstyle-width="150px" />
                    <asp:boundfield datafield="Emp_job" headertext="Job title" headerstyle-width="150px" />
                    <asp:boundfield datafield="Emp_Dep" headertext="Department" headerstyle-width="150px" />
                    <asp:templatefield itemstyle-width="40px">
                        <headertemplate>
                            <asp:checkbox id="chkboxSelectAll" runat="server" onclick="CheckAllEmp(this);" />
                        </headertemplate>
                        <itemstyle horizontalalign="Center" verticalalign="Middle" />
                        <itemtemplate>
                            <asp:checkbox id="chkEmp" runat="server"></asp:checkbox>
                        </itemtemplate>
                    </asp:templatefield>
                </columns>
            </rowstyle></headerstyle></asp:gridview>

Select and deselect checkbox

C#

<asp:templatefield itemstyle-width="40px" xmlns:asp="#unknown">
                        <headertemplate>
                            <asp:checkbox id="chkboxSelectAll" runat="server" autopostback="true" oncheckedchanged="chkboxSelectAll_CheckedChanged" />
                        </headertemplate>
                        <itemstyle horizontalalign="Center" verticalalign="Middle" />
                        <itemtemplate>
                            <asp:checkbox id="chkEmp" runat="server"></asp:checkbox>
                        </itemtemplate>
                    </asp:templatefield>

set autopostback as true and create OnCheckedChanged event in checkbox

C#

protected void chkboxSelectAll_CheckedChanged(object sender, EventArgs e)
        {
            CheckBox ChkBoxHeader = (CheckBox)GridVwHeaderChckboxSrvr.HeaderRow.FindControl("chkboxSelectAll");
            foreach (GridViewRow row in GridVwHeaderChckboxSrvr.Rows)
            {
                CheckBox ChkBoxRows = (CheckBox)row.FindControl("chkEmp");
                if (ChkBoxHeader.Checked == true)
                {
                    ChkBoxRows.Checked = true;
                }
                else
                {
                    ChkBoxRows.Checked = false;
                }
            }
        }

Reference : http://www.aspsnippets.com/Articles/GridView-with-CheckBox-Get-Selected-Rows-in-ASPNet.aspx

Regards,
Praveen Nelge

How to create checkbox in gridview depending on the record

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