MsgBox and ConfirmationBox Example in ASP.Net

1.Confirmation Box-JS

<asp:Button CssClass="srsbutton" ID="btnActivate" Text="Active" runat="server" Width="120px" Visible="false" OnClientClick="return confirmation();"/>

<script type="text/javascript">
            function confirmation() {
                if (confirm('Are you sure you want to Inacive ?')) {
                    return true;
                } else {
                    return false;
                }
            }
    </script>


2.VB.Net-Code Behind

If MsgBox("Prompt", "Are you sure you want to Inactive ?", MsgBoxStyle.YesNo) = MsgBoxResult.Yes Then
InActivePostDelete()
End If


3.VB.Net-Code Behind

Dim resultResponse = MsgBox("Are you sure you want to add/remove students of new order?", MsgBoxStyle.YesNo, "Prompt")
                    If resultResponse = MsgBoxResult.Yes Then
                        Page.RegisterClientScriptBlock("ChildInfo", "<script type='text/javascript'>window.open('frmChildInfo.aspx?qOrderId=" & Request.QueryString("NewOrderId") & "','_blank','width=1200,height=600,top=50px,left=100px,scrollbars=no,status=yes,resizable=false');</script>")
                    End If


4.using JS and call from Code Behind using Ajax ScriptManager

-----In frmViewOrder.aspx
<script type="text/javascript">
function fnConfirmARChild(NewOrderId) {
            var x;
            x = confirm('Are you sure you want to add/remove students of new order?')
            if (x == true) {
                window.open('frmChildInfo.aspx?qOrderId=' + NewOrderId, '_blank', 'width=1200,height=600,top=50px,left=100px,scrollbars=no,status=yes,resizable=false');
            }
            else {
                return false;
            }
        }
</script>

-----In frmViewOrder.aspx.vb
Me.Page.RegisterStartupScript("confirm", "<script type='text/javascript'>fnConfirmARChild('" & Request.QueryString("NewOrderId") & "');</script>")


5.Show Confirm Box from GridView by setting value to HiddenField

-----frmChildInfo.aspx
<asp:HiddenField ID="hdnReturnDeleteValue" runat="server" />
 <asp:Button ID="btnDeleteChild"  runat="server" Text="Delete" CommandName="DeleteChild" OnClientClick="fnConfirmARChild()" CommandArgument='<%# Convert.ToString(Eval("Child_Id")) + "," + Convert.ToString(Eval("Order_Id")) %>' /></td>

<script type="text/javascript">
function fnConfirmARChild() {
            var x;
            x = confirm('Are you sure you want delete student from this order?')
            document.getElementById('hdnReturnDeleteValue').value = false;
            if (x == true) {
                document.getElementById('hdnReturnDeleteValue').value = true;
                return true;
            }
            else {
                document.getElementById('hdnReturnDeleteValue').value = false;
                return false;
            }
</script>

-----frmChildInfo.aspx.vb
If hdnReturnDeleteValue.Value = "true" Then
                            ciSqlString = "uspDelete_OrderChildInfo"
                            SqlHelper.ExecuteNonQuery(ciSqlConnection, CommandType.StoredProcedure, ciSqlString, ciSqlParameter)
                            Me.Page.ClientScript.RegisterStartupScript(Me.GetType, "alert", "alert('Child Info deleted successfully.');", True)
                            BindChildInfoGrid()
                        End If