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 508:        cmd = new SqlCommand("select catname from tbcategory where id=@id", con);
Line 509:        cmd.Connection = con;
Line 510:        cmd.Parameters.Add("@id", SqlDbType.Int).Value = Convert.ToInt32(strcatid);
Line 511:        SqlDataReader dr = cmd.ExecuteReader();
Line 512:        if (dr.Read())

Source File: c:\inetpub\vhosts\hindbiz.com\thebigbearstore.com\products.aspx.cs    Line: 510

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +12743433
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +120
   System.Convert.ToInt32(String value) +44
   products.getcatname(String strcatid) in c:\inetpub\vhosts\hindbiz.com\thebigbearstore.com\products.aspx.cs:510
   products.fillproducts() in c:\inetpub\vhosts\hindbiz.com\thebigbearstore.com\products.aspx.cs:256
   products.Page_Load(Object sender, EventArgs e) in c:\inetpub\vhosts\hindbiz.com\thebigbearstore.com\products.aspx.cs:36
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
   System.Web.UI.Control.OnLoad(EventArgs e) +95
   System.Web.UI.Control.LoadRecursive() +59
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3650.0