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 303:					
Line 304:					string control = "Controls/Tema/" + aktiftema + "/Home.ascx";
Line 305:					string sablon = db.Tekveri("Dosya","Select Dosya from sablon where Id=(Select Sablon from tur where Id="+Convert.ToInt32(Request.QueryString["Tur_Id"])+")");
Line 306:					 
Line 307:					if (File.Exists(Server.MapPath("/") + "Controls/Sablon/" + sablon +".ascx"))

Source File: d:\vhosts\fdmucizeakademi.com\uygurlarmakina.com.tr\Default.aspx.cs    Line: 305

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +13033687
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +122
   System.Convert.ToInt32(String value) +48
   Yonetim_Default.Page_Load(Object sender, EventArgs e) in d:\vhosts\fdmucizeakademi.com\uygurlarmakina.com.tr\Default.aspx.cs:305
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   Yonetim_Default.OnLoad(EventArgs e) in d:\vhosts\fdmucizeakademi.com\uygurlarmakina.com.tr\Default.aspx.cs:83
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4690.0