how to bind Checkboxlist from Datatable in asp.net c#

July 12 2019 by Admin

In this article, we have described how to bind Checkboxlist from Datatable in asp.net c# with an example and a sample code.

In this article, we have described how to bind Checkboxlist from Datatable in asp.net c# with an example and a sample code. In this example we have bound a CheckboxList and got the selected items from that CheckboxList and shown on the label.

Required Namespaces

We need to use the following namespaces.

using System.Data;

using System.Web.UI;

using System.Web.UI.WebControls;

HTML

we have shared html below.

<html>

<title>How to bind Checkboxlist in asp.net</title>

</head>

<body>

<div>

<span>Checkbox list</span>

<asp:CheckBoxList ID="chkRole" runat="server">

</asp:CheckBoxList>

<br />

<asp:Button OnClick="onRoleclick" Text="Get value" runat="server" />

<br />

<asp:Label ID="lblSelected" Text="" runat="server" />

</div>

</form>

</body>

</html>

C# Code

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

chkRole.DataSource = GetData();

chkRole.DataValueField = "Id";

chkRole.DataTextField = "chkName";

chkRole.DataBind();

}

private DataTable GetData()

{

DataTable dt = new DataTable();

dt.Columns.Add("Id");

dt.Columns.Add("chkName");

dt.Rows.Add(1, "Admin");

dt.Rows.Add(2, "Vice-Admin");

dt.Rows.Add(3, "Member");

return dt;

}

protected void onRoleclick(object sender, EventArgs e)

{

string value = string.Empty;

foreach (ListItem item in chkRole.Items)

{

value += item.Selected ? item.Text + "," : "";

}

lblSelected.Text = value;

}

Screenshot

Download

CheckboxList
DataTable

Home > ASP.NET > how to bind Checkboxlist from Datatable in asp.net c#

how to bind Checkboxlist from Datatable in asp.net c#

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