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 644:            + getItemListWhereCond(cat_id);
Line 645:        //Response.Write(sqlComm);
Line 646:        System.Data.DataSet itemDS = myOp.pag_DB_Read(sqlComm, 21, "items");
Line 647:        System.Data.DataTable itemDT = itemDS.Tables[0];
Line 648:        if (Session["user_id"] != null)

Source File: c:\inetpub\wwwroot\franzasas\nprodotti.aspx.cs    Line: 646

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +14784004
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +172
   System.Convert.ToInt32(String value) +60
   afterbit.access_db_operations.sqlOperations.pag_DB_Read(String sql_comm, Int32 record_per_pag, String query_str, String pager_name, String order_by, String order_how) +615
   afterbit.access_db_operations.sqlOperations.pag_DB_Read(String sql_comm, Int32 record_per_pag, String pager_name) +50
   _nprodotti.getItemList(String cat_id, String lang) in c:\inetpub\wwwroot\franzasas\nprodotti.aspx.cs:646
   _nprodotti.Page_Load(Object sender, EventArgs e) in c:\inetpub\wwwroot\franzasas\nprodotti.aspx.cs:257
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4063.0