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:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[FormatException: Input string was not in a correct format.]
   Microsoft.VisualBasic.CompilerServices.Conversions.ParseDouble(String Value, NumberFormatInfo NumberFormat) +224
   Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(String Value) +92

[InvalidCastException: Conversion from string "Vacio" to type 'Integer' is not valid.]
   Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(String Value) +248
   TecniReg_OnLine.Formulario_web138.ObtenerIDURL(String firstName, String fam_descripcion) in D:\Fuentes\Visual .Net\TecniReg OnLine\TecniReg OnLine\Paginas\List.aspx.vb:2842
   TecniReg_OnLine.Formulario_web138.Formulario_web138_LoadComplete(Object sender, EventArgs e) in D:\Fuentes\Visual .Net\TecniReg OnLine\TecniReg OnLine\Paginas\List.aspx.vb:7
   System.Web.UI.Page.OnLoadComplete(EventArgs e) +9866566
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +795


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0