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Find child controls inside a MultiView control in asp.net

By , 18 Apr 2006
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Find child controls inside a MultiView

[Finding a Label control inside a FormView which is a child control of MultiView]

Article Contents:

·         Overview

·         Section 1: Using MultiView and View in ASP.NET 2.0

·         Section 2: Finding Child Controls inside MultiView

·         Conclusion

Overview:

In ASP.NET 1.x, the Panel control was used to segregate controls into groups. Many developers would use a Panel to hide or show controls for a particular purpose. For instance, if the user clicked on a particular button, a DataGrid may appear. However, if the user clicked on a different button, a graph may appear.

In ASP.NET 2.0, the MultiView and View controls were introduced. The MultiView control acts as a stand-alone Panel-like control, or can be a container for multiple Panel-like controls called Views. Using the new MultiView control with the View control allows developers an even easier way to toggle between "Panels".

Section 1: Using MultiView and View in ASP.NET 2.0

Here is an example of using FormView inside the MultiView and View controls within ASP.NET 2.0:

<html xmlns="http://www.w3.org/1999/xhtml" >

<head runat="server">

    <title>Untitled Page</title>

</head>

<body>

<form id="form1" runat="server">

<div>

    <asp:MultiView id="MultiView1" runat="server" ActiveViewIndex=0>

     <asp:View id="View1" runat="server">

    Content Here (View 1)...

       <asp:FormView ID="FormView1" runat="server"

         DataSourceID="SqlDataSource1">

         <ItemTemplate>

            Field1:

            <asp:Label ID="Field1Label" runat="server"

         Text='<%# Bind("Field1") %>'></asp:Label><br />

            Field2:

            <asp:Label ID="Field2Label" runat="server"

         Text='<%# Bind("Field2") %>'></asp:Label><br />

         </ItemTemplate>

       </asp:FormView>

        <asp:SqlDataSource ID="SqlDataSource1" runat="server"

     ConnectionString="<%$ ConnectionStrings:ConnectionString %>"

        SelectCommand="SELECT [Field1], [Field2] FROM [TestTable]">

     </asp:SqlDataSource>

   </asp:View>

   <asp:View id="View2" runat="server">      

           Content Here (View 2)...

   </asp:View>

   <asp:View id="View3" runat="server">

           Content Here (View 3)...

   </asp:View>

 </asp:MultiView>

 <asp:Button ID="Button1" runat="server" Text="Button" />

</div>

</form>

</body>

</html>

Section 2: Finding Child Controls inside MultiView

In the above HTML content we have a label control with ID="Field1Label". We are going to find value in this particular label as follows. Following code executes in the button click event of button with ID="Button1".

Sub GetControlValue()

  Section 1: Finding the first child control i.e. FormView

  Dim FormView As FormView=CType(MultiView1.Views(0).FindControl("FormView1"), FormView)

  Section 2: Finding the second child control i.e. Label

   If FormView.CurrentMode = FormViewMode.ReadOnly Then

     Dim Field1_Label As Label = CType(FormView.Row.FindControl("Field1Label"), Label)

Response.Write(Field1_Label.Text.ToString)

  End If

Note: FormView have 3 different type of Templates.

1.    ReadOnly Mode [ItemTemplate]

2.    Edit Mode [Edit ItemTemplate]

3.    Insert Mode [Insert ItemTemplate]

You should specify template of formview in which the control is embeded with formview property “CurrentMode” as above.

Protected Sub Button1_Click(ByVal sender _
    As Object, ByVal e As System.EventArgs)Handles Button1.Click
    GetControlValue()
End Sub

Conclusion

Hope you can find some use for this article.

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

About the Author

Bindu Shajudeen
Web Developer
United Arab Emirates United Arab Emirates
MCP

Comments and Discussions

 
GeneralMy vote of 3 PinmemberAhmed k dema12-Mar-12 21:43 
GeneralMy vote of 1 PinmvpDave Kreskowiak19-Jan-10 6:28 
GeneralMy vote of 1 PinmemberGuennadi Vanine4-Dec-09 6:20 
QuestionPlease can someone help with this question... PinmemberJackChase31-Mar-07 14:48 

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