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April 27, 2016 14:19
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| <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="CheckBoxChecking.aspx.cs" Inherits="Example.CheckBoxChecking" %> | |
| <!DOCTYPE html> | |
| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <head runat="server"> | |
| <title></title> | |
| </head> | |
| <body> | |
| <form id="form1" runat="server"> | |
| <asp:CheckBox ID="CheckBox1" runat="server" /> | |
| <asp:CheckBox ID="CheckBox2" runat="server" /> | |
| <asp:CheckBox ID="CheckBox3" runat="server" /> | |
| <asp:CheckBox ID="CheckBox4" runat="server" /> | |
| <asp:CheckBox ID="CheckBox5" runat="server" /> | |
| <asp:Button ID="GetCheckedCount" runat="server" OnClick="GetCheckedCount_Click" Text="Get CheckBox Count" /> | |
| </form> | |
| </body> | |
| </html> |
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| using System; | |
| using System.Collections.Generic; | |
| using System.Linq; | |
| using System.Web; | |
| using System.Web.UI; | |
| using System.Web.UI.WebControls; | |
| namespace Example | |
| { | |
| public partial class CheckBoxChecking : System.Web.UI.Page | |
| { | |
| protected void Page_Load(object sender, EventArgs e) | |
| { | |
| } | |
| protected void GetCheckedCount_Click(object sender, EventArgs e) | |
| { | |
| var checkedBoxes = Form.Controls.OfType<CheckBox>().Count(c => c.Checked); | |
| } | |
| } | |
| } |
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