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 379:					
Line 380:					string control = "Controls/Tema/" + aktiftema + "/Home.ascx";
Line 381:					string sablon = db.Tekveri("Dosya","Select Dosya from sablon where Id=(Select Sablon from tur where Id="+Convert.ToInt32(Request.QueryString["Tur_Id"])+")");
Line 382:					 
Line 383:					if (File.Exists(Server.MapPath("/") + "Controls/Sablon/" + sablon +".ascx"))

Source File: d:\vhosts\btteknolojilinuxxx.com\uyaraslan.com.tr\Default.aspx.cs    Line: 381

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +14542542
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +174
   System.Convert.ToInt32(String value) +64
   Yonetim_Default.Page_Load(Object sender, EventArgs e) in d:\vhosts\btteknolojilinuxxx.com\uyaraslan.com.tr\Default.aspx.cs:381
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   Yonetim_Default.OnLoad(EventArgs e) in d:\vhosts\btteknolojilinuxxx.com\uyaraslan.com.tr\Default.aspx.cs:83
   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:4.8.4690.0