select dropdownlist item is checked in checkedlistbox?

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hi sir,

in my web app i am taken one dropdownlist, button and chekboxList controls. and in dropdownlist items are Red, Blue, Green.

and in checkedlistbox i take items are

XML

<asp:CheckBoxList ID="CheckBoxList1" runat="Server">
        <asp:ListItem Text="Red" Value="red"></asp:ListItem>
        <asp:ListItem Text="Blue" Value="blue"></asp:ListItem>
        <asp:ListItem Text="Green" Value="green"></asp:ListItem>
    </asp:CheckBoxList>

my aim is when i am selecting Red item in dropdownlist and i click button that time Red checkbox is selected. similarly to all

please give me a solution and please give a some sample code todo this.

Thanks

Posted 28-Oct-10 2:08am

ajay.raju531

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RECSEN · Answer 1 · 2010-10-28T02:20:00

Use the below code .. the array list will hold the Selected check box value from checkbox list control

C#

ArrayList arrList = new ArrayList();
   for(int i=0;i<=CheckBoxList1.Items.Count -1;i++)
    {
        if (CheckBoxList1.Items[i].Selected)
        {
            arrList.Add(CheckBoxList1.Items[i].Value);
        }

}

raju melveetilpurayil · Answer 2 · 2010-10-28T02:56:00

check this

C#

protected void Button1_Click(object sender, EventArgs e)
   {
       for (int i = 0; i < CheckBoxList1.Items.Count; i++)
       {
           if (CheckBoxList1.Items[i].ToString() == DropDownList1.SelectedItem.Text)
           {
               CheckBoxList1.Items[i].Selected = true;
               break;
           }
       }
   }

select dropdownlist item is checked in checkedlistbox?

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