Server Error in '/' Application.

Input string was not in a correct format.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.FormatException: Input string was not in a correct format.

Source Error:


Line 1628:                   </br>
Line 1629:
Line 1630:                          <%  if TxtMyusername0.Text = 2 Then %> 
Line 1631:          <div class="TitleEnd"> <asp:Label ID="lblend" runat="server" Text="Label">
Line 1632:                             </asp:Label></div>

Source File: C:\inetpub\www.pcma.cc\training\viewrecertificationcourse.aspx    Line: 1630

Stack Trace:


[FormatException: Input string was not in a correct format.]
   Microsoft.VisualBasic.CompilerServices.Conversions.ParseDouble(String Value, NumberFormatInfo NumberFormat) +308
   Microsoft.VisualBasic.CompilerServices.Conversions.ToDouble(String Value, NumberFormatInfo NumberFormat) +84

[InvalidCastException: Conversion from string "" to type 'Double' is not valid.]
   Microsoft.VisualBasic.CompilerServices.Conversions.ToDouble(String Value, NumberFormatInfo NumberFormat) +256
   ASP.training_viewrecertificationcourse_aspx.__Renderform1(HtmlTextWriter __w, Control parameterContainer) in C:\inetpub\www.pcma.cc\training\viewrecertificationcourse.aspx:1630
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +276
   System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +11659743
   System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +47
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +53
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +169
   System.Web.UI.Page.Render(HtmlTextWriter writer) +40
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4239


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4110.0