Question:You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
The application contains a DataSourceControl named CategoriesDataSource that is bound to a Microsoft SQL Server
2005 table. The CategoryName column is the primary key of the table.
You write the following code fragment in a FormView control:
01 <tr>
02 <td align="right"><b>Category:</b></td>
03 <td><asp:DropDownList ID="InsertCategoryDropDownList"
04 â–º
05 DataSourceID="CategoriesDataSource"
06 DataTextField="CategoryName"
07 DataValueField="CategoryID"
08 RunAt="Server" />
09 </td>
10 </tr>
You need to ensure that the changes made to the CategoryID field can be written to the database.
Which code fragment should you insert at line 04? 

A SelectedValue='<%# Eval("CategoryID") %>' 
B SelectedValue='<%# Bind("CategoryID") %>' 
C SelectedValue='<%# Eval("CategoryName") %>' 
D SelectedValue='<%# Bind("CategoryName") %>' 

+ Answer
B 

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Mohammad Towhidul Islam

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