paging count error asp.net

I have a data list with paging which works fine locally debugging but doesn't work on my deployment server provided by my hosting company.

Line 151:        TotalRowCount = pagedData.DataSourceCount;

I'm using the same remote database for both local and on deployment server.

Error message:

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 149:
Line 150:        // Remember the total number of records being paged through across postbacks
Line 151:        TotalRowCount = pagedData.DataSourceCount;
Line 152:        PrevPage.Visible = !pagedData.IsFirstPage;
Line 153:        NextPage.Visible = !pagedData.IsLastPage;


Source File: \\pdc1\sites\t\test.domain.com\public_html\Auctions.aspx.cs    Line: 151

Stack Trace:

[NullReferenceException: Object reference not set to an instance of an object.]
   Auctions.ItemDataSource_Selected(Object sender, ObjectDataSourceStatusEventArgs e) in \\pdc1\sites\t\test.domain.com\public_html\Auctions.aspx.cs:151
   System.Web.UI.WebControls.ObjectDataSourceView.OnSelected(ObjectDataSourceStatusEventArgs e) +95
   System.Web.UI.WebControls.ObjectDataSourceView.InvokeMethod(ObjectDataSourceMethod method, Boolean disposeInstance, Object& instance) +432
   System.Web.UI.WebControls.ObjectDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +1247
   System.Web.UI.WebControls.BaseDataList.GetData() +38
   System.Web.UI.WebControls.DataList.CreateControlHierarchy(Boolean useDataSource) +153
   System.Web.UI.WebControls.BaseDataList.OnDataBinding(EventArgs e) +54
   System.Web.UI.WebControls.BaseDataList.DataBind() +55
   System.Web.UI.WebControls.BaseDataList.EnsureDataBound() +60
   System.Web.UI.WebControls.BaseDataList.CreateChildControls() +69
   System.Web.UI.Control.EnsureChildControls() +87
   System.Web.UI.Control.PreRenderRecursiveInternal() +44
   System.Web.UI.Control.PreRenderRecursiveInternal() +171
   System.Web.UI.Control.PreRenderRecursiveInternal() +171
   System.Web.UI.Control.PreRenderRecursiveInternal() +171
   System.Web.UI.Control.PreRenderRecursiveInternal() +171
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +842


Version Information: Microsoft .NET Framework Version:2.0.50727.3053; ASP.NET Version:2.0.50727.3053

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paging count error asp.net

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