Check only one checkbox at a time using checkboxlist

Question

i have a dropdownlist of employees types ( Project Manager, developer , qa etc ). and a checkboxList of tasks that need to be assigned to each employee type. but for developer , there will be only one task at a time. i.e a person will be able to assign only one task to a developer at a time. if he selects a second one, the first choice should be unchecked. for other employees with multiple tasks , its working fine. but how to put a check in developer case ?

i have used below code but it is creating problem on edit , update. also when i select one task for a developer , all other checkbox get disabled and i cannot change the task.

 If dt.Rows.Count > 0 Then
        Dim developer As Boolean = Convert.ToBoolean(dt.Rows(0)(0).ToString())
        If developer Then
            For Each li As ListItem In cblTaskType.Items
                If Not li.Value = employeeType Then
                    li.Selected = False
                    li.Enabled = False
                End If

            Next

You can do this by Client side code using Javascript or JQuery. — SelvaS
– SelvaS, Commented Mar 30, 2015 at 8:26
well this stackoverflow.com/questions/3655068/… worked for me . thanks to everyone — Abdul
– Abdul, Commented Mar 30, 2015 at 9:11

Pradnya Bolli · Accepted Answer · 2015-03-30 09:06:00Z

you can use below code .. Use SelectedIndexChanged event of checkedListBox1 .

private void checkedListBox1_SelectedIndexChanged(object sender, EventArgs e)
           {
               int iSelectedIndex = checkedListBox1.SelectedIndex;
               if (iSelectedIndex == -1)
                   return;
               for (int iIndex = 0; iIndex < checkedListBox1.Items.Count; iIndex++)
                   checkedListBox1.SetItemCheckState(iIndex, CheckState.Unchecked);
               checkedListBox1.SetItemCheckState(iSelectedIndex, CheckState.Checked);
           }

you can also refer this Link

Taitai · Accepted Answer · 2021-05-30 10:46:38Z

0

I had the same problem... I changed it to a radiobutton list and joined all the radio buttons to the same group (in properties).

answered May 30, 2021 at 10:46

Taitai

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