<script language="javascript" type="text/javascript">
function select_deselectAll (chkVal, idVal)
{
var frm = document.forms[0];
// Loop through all elements
for (i=0; i<frm.length; i++)
{
// Look for our Header Template's Checkbox
if (idVal.indexOf ('CheckAll') != -1)
{
// Check if main checkbox is checked, then select or deselect datagrid checkboxes
if(chkVal == true)
{
frm.elements[i].checked = true;
}
else
{
frm.elements[i].checked = false;
}
// Work here with the Item Template's multiple checkboxes
}
else if (idVal.indexOf ('DeleteThis') != -1)
{
// Check if any of the checkboxes are not checked, and then uncheck top select all checkbox
if(frm.elements[i].checked == false)
{
frm.elements[1].checked = false; //Uncheck main select all checkbox
}
}
}
}
function confirmDelete (frm)
{
// loop through all elements
for (i=0; i<frm.length; i++)
{
// Look for our checkboxes only
if (frm.elements[i].name.indexOf("DeleteThis") !=-1)
{
// If any are checked then confirm alert, otherwise nothing happens
if(frm.elements[i].checked)
{
return confirm ('Are you sure you want to delete your selection(s)?')
}
}
}
}
</script>
<asp:GridView ID="DgAddress" runat="server" PageSize="40" Width="278px" AutoGenerateColumns="False">
<PagerStyle BackColor="#C000C0" />
<AlternatingRowStyle BackColor="#C0C0FF" BorderColor="#C0C0FF" BorderStyle="Solid"
ForeColor="#8080FF" />
<EmptyDataTemplate>
<asp:Button ID="BtnGrid" runat="server" Text="Delete"/>
</EmptyDataTemplate>
<Columns>
<asp:BoundField HeaderText="ID" DataField="Id" Visible="false" />
<asp:BoundField HeaderText="Employee Id" DataField="EmpId"/>
<asp:BoundField HeaderText="Employee Name" DataField="EmpName"/>
<asp:CommandField InsertText="Delete" ShowDeleteButton="True"/>
<asp:TemplateField>
<HeaderTemplate>
<asp:CheckBox Id="CheckAll" onClick="javascript
: return select_deselectAll (this.checked, this.id);" runat=server/>
</HeaderTemplate>
<ItemTemplate>
<asp:HiddenField ID="chkid" runat="server" Value=<%#Container.DataItem("Id")%>/>
<asp:CheckBox Id="DeleteThis" onClick="javascript
: return select_deselectAll (this.checked, this.id);" runat=server/>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:Button Text="Delete Items" ID="Confirm" runat="server" />
Protected Sub Confirm_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Confirm.Click
Dim dgIDs As String = ""
Dim BxsChkd As Boolean
Dim i As Integer
Dim deleteChkBxItem As CheckBox
Dim sqlconn As New SqlConnection("Initial Catalog=master;Data Source=tcs139054;user id=sa;password=kolkata@1")
BxsChkd = False
i = 2
For Each gv As GridViewRow In DgAddress.Rows
deleteChkBxItem = gv.FindControl("DeleteThis")
If deleteChkBxItem.Checked = True Then
BxsChkd = True
dgIDs += CType(gv.FindControl("chkid"), HiddenField).Value.ToString + ","
End If
i += 1
Next
If BxsChkd Then
Try
Dim deleteSQL As String = "delete from employee where Id IN (" & dgIDs.Substring(0, dgIDs.LastIndexOf(",")) & ")"
Dim cmd As SqlCommand = New SqlCommand(deleteSQL, sqlconn)
sqlconn.Open()
cmd.ExecuteNonQuery()
FillGrid()
Catch Err As SqlException
Response.Write(Err.Message.ToString)
Finally
sqlconn.Close()
End Try
End If
End Sub
Private Sub FillGrid()
Dim sqlconn As New SqlConnection("Initial Catalog=master;Data Source=tcs139054;user id=sa;password=kolkata@1")
Dim sqlcmd As New SqlCommand
Dim sqldr As SqlDataReader
sqlconn.Open()
sqlcmd.Connection = sqlconn
sqlcmd.CommandType = Data.CommandType.Text
sqlcmd.CommandText = "select id,empid,empname from employee"
sqldr = sqlcmd.ExecuteReader
DgAddress.DataSource = sqldr
DgAddress.DataBind()
sqldr.Close()
sqlconn.Close()
End Sub
Deepak Kumar Sharma
PGMS Inc(Noida)(India)
Cell No:-9719395072/9313107703