Don't forget to assign the value property of the Drop Down List to "Select an item" or any other text you like.It is this value that is compared against a Required Field Validator.
Export Button is a custom control that let's you export your Data Grid or Text Box data to several different formats.
The control is extremely easy to use and also exposes design time features.
You can not attach validation controls directly to these Text Boxes.
We need to convert these Bound Fields to Template Fields.
There can be several approaches taken for validating data. On the first step of the wizard click on “New Connection” button to open a dialog as shown in Figure 1.