Example to get checked checkboxes in gridview[C#]
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" BorderWidth="1px"
CellPadding="3" BorderStyle="None" Font-Names="Arial">
<FooterStyle></FooterStyle>
<PagerStyle HorizontalAlign="Left"></PagerStyle>
<HeaderStyle Font-Bold="True"></HeaderStyle>
<Columns>
<asp:TemplateField HeaderText="Select">
<ItemTemplate>
<asp:CheckBox ID="CheckBoxSelect" runat="server" Enabled="true" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField HeaderText="Item No." DataField="ItemNo">
<ItemStyle HorizontalAlign="Center" VerticalAlign="Middle"></ItemStyle>
</asp:BoundField>
<asp:BoundField HeaderText="Item Name" DataField="ItemName">
<ItemStyle HorizontalAlign="Center" VerticalAlign="Middle"></ItemStyle>
</asp:BoundField>
</Columns>
</asp:GridView>
</div>
<asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" />
</form>
</body>
</html>
In code behind on click of button we will iterate through gridviews rows and find out checked checkboxes.
using System.Data;
namespace aspnetcontrol
{
public partial class GridviewImages : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
GridView1.DataSource = BindImageData();
GridView1.DataBind();
}
}
public DataTable BindImageData()
{
DataTable dt = new DataTable();
dt.Columns.Add(new DataColumn("ItemNo", typeof(int)));
dt.Columns.Add(new DataColumn("ItemName", typeof(string)));
// Create the four records
DataRow dr = dt.NewRow();
dr["ItemNo"] = 1;
dr["ItemName"] = "Tea";
dt.Rows.Add(dr);
dr = dt.NewRow();
dr["ItemNo"] = 2;
dr["ItemName"] = "Coffie";
dt.Rows.Add(dr);
dr = dt.NewRow();
return dt;
}
protected void Button1_Click(object sender, EventArgs e)
{
// Iterate through the Products.Rows property
foreach (GridViewRow row in GridView1.Rows)
{
CheckBox cb = (CheckBox)row.FindControl("CheckBoxSelect");
if (cb != null && cb.Checked)
{
//Do some stuff
}
}
}
}