3. SortExpression="Product_Name" />
<asp:BoundField DataField="Product_Price"
HeaderText="Product_Price"
SortExpression="Product_Price" />
</Columns>
</asp:GridView>
</div>
</form>
</body>
</html>
ASPX.VB coding
Partial Class _Default
Inherits System.Web.UI.Page
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As
System.EventArgs) Handles Button1.Click
SqlDataSource1.SelectCommand = "SELECT * From homecare"
GridView1.DataBind()
GridView2.Visible = False
GridView1.Visible = True
End Sub
Protected Sub Page_Load(ByVal sender As Object, ByVal e As
System.EventArgs) Handles Me.Load
End Sub
Protected Sub GridView1_RowCommand(ByVal sender As Object, ByVal e As
GridViewCommandEventArgs) Handles GridView1.SelectedIndexChanged
Dim rIndex As Integer = CType(e.CommandArgument, Integer)
Dim thisID As String = Me.GridView1.DataKeys(rIndex).Value.ToString()
Response.Write(thisID)
4. End Sub
Protected Sub Button2_Click(ByVal sender As Object, ByVal e As
System.EventArgs) Handles Button2.Click
SqlDataSource1.SelectCommand = "SELECT * From Chocolates"
GridView1.DataBind()
GridView1.Visible = False
GridView2.Visible = True
End Sub
End Class
OUTPUT
![nbsp;
<asp:Label ID="Label1" runat="server" Text="ABC SUPER
MARKET"></asp:Label>
<br />
<br />
<br />
<br />
 
;
<asp:Button ID="Button1" runat="server"
style="position: relative; top: 0px; left: 141px" Text="HOME CARE"
Width="119px" />
<asp:Button ID="Button2" runat="server"
style="position: relative; top: 0px; left: 152px"
Text="CHOCOLATES"
Width="124px" />
<br />
<br />
<br />
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:ProductConnectionString
%>"
SelectCommand="SELECT * FROM [homecare]"></asp:SqlDataSource>
<asp:SqlDataSource ID="SqlDataSource2" runat="server"
ConnectionString="<%$ ConnectionStrings:ProductConnectionString
%>"
SelectCommand="SELECT * FROM [chocolates]"></asp:SqlDataSource>
<asp:GridView ID="GridView1" runat="server" Visible="false"
AutoGenerateColumns="False"
DataSourceID="SqlDataSource1"
style="position: relative; top: 3px; left: 53px; height: 151px;
width: 295px">
<Columns>
<asp:BoundField DataField="Product_ID" HeaderText="Product_ID"
SortExpression="Product_ID" />
<asp:BoundField DataField="Product_Name"
HeaderText="Product_Name"
SortExpression="Product_Name" />
<asp:BoundField DataField="Product_Price"
HeaderText="Product_Price"
SortExpression="Product_Price" />
</Columns>
</asp:GridView>
<asp:GridView ID="GridView2" runat="server" Visible="false"
AutoGenerateColumns="False"
DataSourceID="SqlDataSource2"
style="position: relative; top: 5px; left: 55px; height: 149px;
width: 291px">
<Columns>
<asp:BoundField DataField="Product_ID" HeaderText="Product_ID"
SortExpression="Product_ID" />
<asp:BoundField DataField="Product_Name"
HeaderText="Product_Name"](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)