checking checkbox values from its parnet checkbox

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this is my code page

C#

public partial class BindingCheckboxlist : System.Web.UI.Page
{
    bis_ obj = new bis_();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            DataSet ds = new DataSet();
            ds = obj.get_Title();
            if (ds.Tables[0].Rows.Count > 0)
            {
                chklist.DataSource = ds.Tables[0];
                chklist.DataTextField = "Title";
                chklist.DataValueField = "Id";
                chklist.DataBind();
            }
        }

    }
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        string Id = "";
        int var = 0;
        for (int i = 0; i < chklist.Items.Count; i++)
        {
            if (chklist.Items[i].Selected)
            {
                if (var == 0)
                {
                    Id += chklist.Items[i].Value;
                    var = var + 1;

                }
                else
                    Id += "," + chklist.Items[i].Value;


            }
            lblId.Text = "You Are selected:" + Id;
        }
        string Name = "";
        for (int i = 0; i < chklist.Items.Count; i++)
        {
            if (chklist.Items[i].Selected)
            {
                Name += chklist.Items[i].Text + ",";
            }
            lblName.Text = "Your Selected citys are:" + Name;
        }
        //string Id1 = "";

        //chklist2.DataSource = chklist.SelectedValue;
        //chklist.DataTextField = chklist.selel;
        //chklist2.DataValueField = chklist.SelectedValue;


        //chklist2.DataBind();
      
        for(int i=0;i<chklist.items.count;i++)>
        {
            if (chklist.Items[i].Selected)
            {
            }
            
            

        }

    }
}

This is designing page:

ASP.NET

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

<!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 runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <table align="center">
    <tr><td>
    
    <asp:CheckBoxList runat="server" ID="chklist"><br />
    </td>
    </tr>
    <tr>
    <td>
    <asp:Button runat="server" ID="btnSubmit" Text="Submit" onclick="btnSubmit_Click" />
    <br />
    </td>
    </tr>
    <tr>
    <td>
    <asp:Label runat="server" ID="lblId"><br />
    
    <asp:Label runat="server" ID="lblName">
    </td>
    </tr>
    <tr>
    </tr>
    <td>
    <asp:CheckBoxList runat="server" ID="chklist2">
    
    </td>
    </table>
    </div>
    </form>
</body>
</html>

here my requirement is if i selectd from first check box list values then bind those same values to second checkbox;

Posted 1-May-13 0:29am

kanth5865

Updated 1-May-13 0:59am

Pheonyx

v2

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Comments

Thanks7872 1-May-13 6:45am

Remove unnecessary code and post only the snippet you need help with.

1 solution

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Hitesh Gohel · Answer 1 · 2013-05-01T01:56:00

Hello,
Please try this,

ASP.NET

<asp:checkboxlist runat="server" id="chklist" xmlns:asp="#unknown">
    </asp:checkboxlist>
    <asp:button runat="server" id="btnSubmit" text="Submit" xmlns:asp="#unknown">
        onclick="btnSubmit_Click" />
    <asp:label runat="server" id="lblId"></asp:label>
    <asp:label runat="server" id="lblName"></asp:label>
    <div runat="server" id="NewCheckBox"></div></asp:button>

C#

SqlConnection cn = new SqlConnection(@"");
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            string query = @"SELECT * FROM Products";
            SqlDataAdapter ad = new SqlDataAdapter(query, cn);
            DataSet ds = new DataSet();
            ad.Fill(ds);
            if (ds.Tables[0].Rows.Count > 0)
            {
                chklist.DataSource = ds.Tables[0];
                chklist.DataTextField = "ProductName";
                chklist.DataValueField = "Id";
                chklist.DataBind();
            }
        }
    }
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        string Id = "";
        int var = 0;
        for (int i = 0; i < chklist.Items.Count; i++)
        {
            if (chklist.Items[i].Selected)
            {
                if (var == 0)
                {
                    Id += chklist.Items[i].Value;
                    var = var + 1;
                }
                else
                    Id += "," + chklist.Items[i].Value;
            }
            lblId.Text = "You Are selected:" + Id;
        }
        string Name = "";
        for (int i = 0; i < chklist.Items.Count; i++)
        {
            if (chklist.Items[i].Selected)
            {
                Name += chklist.Items[i].Text + ",";
            }
            lblName.Text = "Your Selected citys are:" + Name;
        }
        List<int> _intid = Id.TrimEnd(',').Split(',').ToList().ConvertAll<int>(s => Convert.ToInt32(s));
        if (_intid.Count() > 0)
        {
            foreach (var item in _intid)
            {
                string query = @"SELECT * FROM Category where PId=" + item;
                SqlDataAdapter ad = new SqlDataAdapter(query, cn);
                DataSet ds = new DataSet();
                ad.Fill(ds);

                CheckBoxList chklst2 = new CheckBoxList();

                chklst2.DataSource = ds.Tables[0];
                chklst2.DataTextField = "CategoryName";
                chklst2.DataValueField = "PId";
                chklst2.DataBind();

                NewCheckBox.Controls.Add(chklst2);
            }
        }
    }
</int></int>

checking checkbox values from its parnet checkbox

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checking checkbox values from its parnet checkbox

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