Server Error in '/' Application.

There is no row at position 0.

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.IndexOutOfRangeException: There is no row at position 0.

Source Error:


Line 157:            {
Line 158:                DataSetCityTableAdapters.Tbl_CityTableAdapter dacccitys = new DataSetCityTableAdapters.Tbl_CityTableAdapter();
Line 159:                HiddenField1.Value = " في " + dacccitys.GetDataBy1(Convert.ToInt32(Request.QueryString["CityId"])).Rows[0]["Fld_CityName"].ToString();
Line 160:            }
Line 161:

Source File: d:\Inetpub\vhosts\mass-jo.com\sooqm.com\EnMasterPage.master.cs    Line: 159

Stack Trace:


[IndexOutOfRangeException: There is no row at position 0.]
   System.Data.RBTree`1.GetNodeByIndex(Int32 userIndex) +2519554
   System.Data.DataRowCollection.get_Item(Int32 index) +20
   EnMasterPage.Page_Load(Object sender, EventArgs e) in d:\Inetpub\vhosts\mass-jo.com\sooqm.com\EnMasterPage.master.cs:159
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0