In a VB.net application, retrieving variables from a database, if the value was null, it would cause the error, “Conversion from type ‘DBNull’ to type ‘String’ is not valid”. A work-around to stop this error was to create a function that would evaluate the imported database variable for a null value as an object then […] ↓ Read the rest of this entry…
Inside a modalpopupextender panel, you need to add and set the UseSubmitBehavior to false for the OK/Cancel controls to be enabled with postback to behave outside of the ajax control. Example: <asp:LinkButton ID=”OkButton” runat=”server” Text=”Button Text” UseSubmitBehavior=”false” PostBackUrl=”product.aspx?id=3″ /> You can also use OnClick in the button to perform an action outside of ajax with […] ↓ Read the rest of this entry…