DropdownList and Setting Selected Value DropDownList binding get Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control exception DropDownList default SelectedValue dropdownlist does not post back in UpdatePanel DropDownList doesn't change selec...
Attempt by method 'Microsoft.VisualBasic.CompilerServices.Symbols+Container.InvokeMethod(Method, System.Object[], Boolean[], System.Reflection.BindingFlags)' to access method 'System.Data.Common.DataRecordInternal.get_Item(System.String)' failed. Attempted to read or write protected memory. This is often...