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I developed my application on dotnet trial version and implemented on server. My organization basically uses Sharepoint. Application runs fine on local host but I am unable to run it on server. I cannot debug it on visual studio due to compliance issue now. Please help.

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:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[NullReferenceException: Object reference not set to an instance of an object.] WebTrackingTool.DBFiles.DBRepository.GetLogin(String UserName, String UserPassword) in C:\Project\WebTrackingTool\WebTrackingTool\DBFiles\DBRepository.cs:217 WebTrackingTool.Login.btnLogin_Click(Object sender, EventArgs e) in C:\Project\WebTrackingTool\WebTrackingTool\Login.aspx.cs:22
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +118
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +112
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5563

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.272

Soner Gönül
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Anamika Sharma
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  • putting your code instead for this big error message will give you better response – sujith karivelil Aug 13 '15 at 07:15
  • `NullReferenceException` is a common situation for beginner programmers. The link provided should help you understand the problem. Then use the debugger to find what/where/when you have a variable that is `null`. And next time, please show your code as well. It is not possible to help you without see your work. – Soner Gönül Aug 13 '15 at 07:15
  • What is _dotnet trial version_? What specific version are you using? – Chris Dunaway Aug 13 '15 at 19:57
  • hello! I used VS 2015. I deployed my project to sharepoint. But it is not working there. I get error that says :[NullReferenceException: Object reference not set to an instance of an object.] WebTrackingTool.DBFiles.DBRepository.GetLogin(String UserName, String UserPassword) in C:\Project\WebTrackingTool\WebTrackingTool\DBFiles\DBRepository.cs:217 ........................................ Does it mean that it is still finding the local path to access the database? Please help – Anamika Sharma Aug 19 '15 at 06:49

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