Server Error in '/' Application.

Object reference not set to an instance of an object.

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.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 64:             cmd.CommandText = "SELECT TOP 1 " + ColumnName + " FROM " + TableName + " WHERE " + Criteria + "";
Line 65: 
Line 66:             return DBHelper.ExecuteScalar(cmd).ToString();
Line 67:         }
Line 68:         public static bool GetItemBoolValue(string TableName, String ColumnName, string Criteria)

Source File: c:\inetpub\vhosts\azuris.com.tr\httpdocs\App_Code\customdatas.cs    Line: 66

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   DAL.CustomDatas.GetItemStringValue(String TableName, String ColumnName, String Criteria) in c:\inetpub\vhosts\azuris.com.tr\httpdocs\App_Code\customdatas.cs:66
   Web_Products_Default.Page_Load(Object sender, EventArgs e) in c:\inetpub\vhosts\azuris.com.tr\httpdocs\Web\Products\Default.aspx.cs:105
   System.Web.UI.Control.OnLoad(EventArgs e) +107
   System.Web.UI.Control.LoadRecursive() +89
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1532


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