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 79: 
Line 80:     Function Intial_News() As Integer
Line 81:         Dim bcode As Integer = Me.Request.QueryString("bcode")
Line 82:         Dim ckind As Integer = Me.Request.QueryString("ckind")        
Line 83:         Dim contex As New cultureEntities1

Source File: D:\inetpub\vhosts\jdfarhangi.ir\httpdocs\pages.aspx.vb    Line: 81

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.ToInteger(String Value) +100

[InvalidCastException: Conversion from string "" to type 'Integer' is not valid.]
   Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(String Value) +284
   pages.Intial_News() in D:\inetpub\vhosts\jdfarhangi.ir\httpdocs\pages.aspx.vb:81
   pages.Page_Load(Object sender, EventArgs e) in D:\inetpub\vhosts\jdfarhangi.ir\httpdocs\pages.aspx.vb:47
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4465.0