Merhaba @imaster @promist hocam
Daha önceki hatadan dolayı sunucu değişikliği sonrası şöyle bir hata var
ödeme ekranında bankam listede yok dediğimde Ödeme ekranı geliyor ve 3D bağlantıya gidiyor fakat Banka ekranını seçtiğimde aşağıdaki hata vermektedir.

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:

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.]
ASPNetPortal.OrderStep3d.dgTaksitList_ItemDataBoun d(Object sender, DataGridItemEventArgs e) +1912
System.Web.UI.WebControls.DataGrid.OnItemDataBound (DataGridItemEventArgs e) +8865646
System.Web.UI.WebControls.DataGrid.CreateItem(Int3 2 itemIndex, Int32 dataSourceIndex, ListItemType itemType, Boolean dataBind, Object dataItem, DataGridColumn[] columns, TableRowCollection rows, PagedDataSource pagedDataSource) +158
System.Web.UI.WebControls.DataGrid.CreateControlHi erarchy(Boolean useDataSource) +797
System.Web.UI.WebControls.BaseDataList.OnDataBindi ng(EventArgs e) +64
System.Web.UI.WebControls.BaseDataList.DataBind() +55
ASPNetPortal.OrderStep3d.ddlKreditBanks_SelectedIn dexChanged(Object sender, EventArgs e) +5975
System.Web.UI.WebControls.ListControl.OnSelectedIn dexChanged(EventArgs e) +118
System.Web.UI.WebControls.DropDownList.RaisePostDa taChangedEvent() +143
System.Web.UI.WebControls.DropDownList.System.Web. UI.IPostBackDataHandler.RaisePostDataChangedEvent( ) +10
System.Web.UI.Page.RaiseChangedEvents() +134
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5201

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1016