How To Checked All Items In Checkedlistbox When I Check Other Checbox Below In The Checkedlistbox?

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C#3.5

how to checked all items in CheckedListBox when i check other checbox take below in the CheckedListBox?

Posted 12-May-14 3:07am

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[no name] 12-May-14 9:14am

You have not read the FAQ for hints on how to ask a question yet have you?

Peter Leow 12-May-14 9:34am

Tag your question properly, winform or asp.net?

2 solutions

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Peter Leow · Answer 1 · 2014-05-12T03:33:00

Solution 2

This is for winform:

C#

private void checkBox1_CheckedChanged(object sender, EventArgs e)
{
    for (int i = 0; i < checkedListBox1.Items.Count; i++)
    {
        checkedListBox1.SetItemChecked(i, checkBox1.Checked);
    }
}

Posted 12-May-14 3:33am

Peter Leow

Updated 12-May-14 3:35am

v2

KaushalJB · Answer 2 · 2014-05-12T03:16:00

Refer this link :

Check Uncheck all items in ASPNet CheckBoxList using jQuery

or below code snippet :

C#

protected void cbExtList_OnSelectedIndexChanged(object sender, EventArgs e)
{
    try
    {
        if (Convert.ToInt32(this.cbExtList.SelectedItem.Value) == 0)
        {
            foreach (ListItem li in cbExtList.Items)
            {
                li.Selected = true;
            }
        }
        else
        {
            foreach (ListItem li in cbExtList.Items)
            {
                li.Selected = false;
            }
        }
    }
    catch (Exception ex)
    {
        Monitoring.WriteException(ex);
    }
}