only FullName, or only Email.
3.Edit User Information
When the user selects a user from the list, the details of the selected user should be loaded into a separate set of input controls (see Figure 2).
The user can edit the FullName, Email, and MembershipDate fields. The UserID field should not be editable.
After editing, the user can click a Save button to update the information in the database.Changes should be saved back to the database, and the list should refresh to reflect the updates.
4.Input Validation
Ensure that the FullName, Email, and MembershipDate fields are not empty when editing.
Validate that Email has a valid format and that MembershipDate is a valid date.
User Interface Requirements
The application should consist of a single MainWindow with the following components:
A DataGrid to display the list of users.
Search Section: Input fields (TextBox) for FullName and Email, along with a Search button to filter the user list based on search criteria.
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