1. pls i need Answer this question by vb code language pls what can i change in this code to fix my proplem I have 2 controls radcombobox and gridview 2. Radcombobox databind Private con As New SqlConnection("Data Source=bma-pc;Initial Catalog=hrdb;Integrated Security=True") Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load ' RadComboBoxEmp1_ID.AutoPostBack = True Dim adapter As New SqlDataAdapter("SELECT EMPL_ID, EMPL_ID+' '+FIRST_NAME+' '+ISNULL(SECOND_NAME,' ')+' '+ ISNULL(FAMILY_NAME,' ') as EMPL_NAME FROM HAL_HR_EMPLOYE_BSC_TAP where END_SERVC_FLG LIKE '0' OR END_SERVC_FLG IS NULL order by cast([EMPL_ID]as int) asc ", con) Dim links As New DataTable() adapter.Fill(links) RadComboBoxEmp1_ID.DataTextField = "EMPL_NAME" RadComboBoxEmp1_ID.DataValueField = "EMPL_ID" RadComboBoxEmp1_ID.DataSource = links RadComboBoxEmp1_ID.DataBind() End Sub 3. Radcombobox I don’t have properties EnableCheckAllItemsCheckBox="true" I create 2 checkbox control in radcombobox template a. <HeaderTemplate> <asp:CheckBox ID="CheckBox2" runat="server" Text="ALL" AutoPostBack="True" oncheckedchanged="CheckBox2_CheckedChanged" /> </HeaderTemplate> b. <ItemTemplate> <asp:CheckBox ID="CheckBox1" runat="server" AutoPostBack="True" AutoPostBack="True" oncheckedchanged="CheckBox2_CheckedChanged" Text='<%# Eval("EMPL_NAME") %>' /> </ItemTemplate> c. Behind code Protected Sub CheckBox2_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Dim chk As CheckBox = TryCast(sender, CheckBox) If chk.ID = "CheckBox2" Then For Each item As RadComboBoxItem In RadComboBoxEmp1_ID.Items ' If item..RowType = DataControlRowType.DataRow Then item.Controls.OfType(Of CheckBox)().FirstOrDefault().Checked = chk.Checked ' row.Cells(2).Controls.OfType(Of RadComboBox)().FirstOrDefault().Visible = False ' End If TextBox1.Text += "'" & item.Value & "'," Next End If For Each item As RadComboBoxItem In RadComboBoxEmp1_ID.Items DirectCast(item.FindControl("CheckBox1"), CheckBox).Checked = chk.Checked If DirectCast(item.FindControl("CheckBox1"), CheckBox).ID <> "CheckBox1" Then chk.Checked = False End If ' chk.Checked = False ' Dim chk As CheckBox = TryCast(sender, CheckBox) ' If chk.Checked = True Then TextBox2.Text += DirectCast(item.FindControl("CheckBox1"), CheckBox).ID & ", " 'End If If DirectCast(item.FindControl("CheckBox1"), CheckBox).Checked = True Then DirectCast(item.FindControl("CheckBox1"), CheckBox).Checked = True TextBox2.Text += DirectCast(item.FindControl("CheckBox1"), CheckBox).ID & ", " End If Next RadComboBoxEmp1_ID.OpenDropDownOnLoad = True End Sub When I dropdownopen radcombobox show select check all object with checkbox CheckBox2 name and when I change the checkbox all it select check all object and remove all select check when I remove In ItemTemplate but my problem start when I change checkbox in <ItemTemplate> <asp:CheckBox ID="CheckBox1" here when I select item with select check 1 by 1 or remove some select check not work I need help to change select check 4. Gridview I need after select check in radcombobox but the value in Private Sub BindGrid() Dim cmd As New SqlCommand("SELECT EMPL_ID, EMPL_ID+' '+FIRST_NAME+' '+ISNULL(SECOND_NAME,' ')+' '+ ISNULL(FAMILY_NAME,' ') as EMPL_NAME FROM HAL_HR_EMPLOYE_BSC_TAP where here after select check how I but the value from radcombobox ") GridViewEmpl.DataSource = Me.ExecuteQuery(cmd, "SELECT") GridViewEmpl.DataBind() to get data in the gridview filtering or find item by radcombobox or create parameter to get select check pls help me what to do
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