Each column can be any of several column types The order of your column tags determines the left-to-right order of columns in the GridView. Class Description BoundField text ButtonField button CheckBoxField check box It¡Â¯s used automatically for true/false fields (in SQL Server, these are fields that use the bit data type). CommandField provides selection or editing buttons. HyperLinkField a hyperlink. ImageField image data from a binary field. TemplateField specify multiple fields, custom controls, and arbitrary HTML <%@ Page Language="VB" AutoEventWireup="false"%> Untitled Page
" DeleteCommand="DELETE FROM [Books] WHERE [BookID] = @BookID" InsertCommand="INSERT INTO [Books] ([Title], [Author], [YearPublished], [Price], [LastReadOn], [PageCount]) VALUES (@Title, @Author, @YearPublished, @Price, @LastReadOn, @PageCount)" SelectCommand="SELECT * FROM [Books]" UpdateCommand="UPDATE [Books] SET [Title] = @Title, [Author] = @Author, [YearPublished] = @YearPublished, [Price] = @Price, [LastReadOn] = @LastReadOn, [PageCount] = @PageCount WHERE [BookID] = @BookID">
SortExpression="BookID" /> '>
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$' Columns="10"> Display="Dynamic" ErrorMessage="You must enter a price."> Display="Dynamic" ErrorMessage="You must enter a valid numeric value greater than or equal to zero." Operator="GreaterThanEqual" Type="Double" ValueToCompare="0">