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Home » ASP.NET and Web » FormView control Templates in ASP.NET 2.0

FormView control Templates in ASP.NET 2.0

By  Yogesh Verma April 17, 2007

This article explain you the type of templates available in FormView.
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We use the FormView control for display a single record from the data source; there are seven types of Templates in which most of the Templates are optional.

 

You must create a Template for the mode in which the FormView control is configured. For example, a FormView control that supports updating records must have an EditItemTemplate defined.

 

Types of Templates: 

  • HeaderTemplate
  • FooterTemplate
  • ItemTemplate
  • InsertItemTemplate
  • EditItemTemplate
  • EmptyDataTemplate
  • PagerTemplate

HeaderTemplate:


Header Template defines the contents which we want to display in the header row of the FormView Control.

 

FooterTemplate:

Footer Template defines the contents which we want to display in the footer row of the FormView Control.


ItemTemplate:

 

ItemTemplates defines the contents for the FormView row when it is in read only mode. This template basically used for display the existing data from the data source.

 

InsertItemTemplate:

 

InsertItemTemplates defines the contents for the FormView row when it is in insert mode. This template contains the input controls and commands for inserting the new record.

 

EditItemTemplate:

 

EditItemTemplates defines the contents for the FormView row when it is in edit mode. This template contains the input controls and commands for editing the existing record.

 

EmptyDataTemplate:

 

EmptyDataTemplate basically used for showing the alert to the user if there is no record in the bound column.

 

PagerTemplate:

 

PagerTemplate defines the content for the pager row when the "AllowPaging" property is true. It also contains the controls by using that, user can navigate to another record.
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 Article Extensions
Contents added by manik prabhu on Sep 30, 2009

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

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

<head runat="server">

<title>Untitled Page</title>

</head>

<body>

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

<asp:ScriptManager ID="ScriptManager1" runat="server" />

<div>

<asp:FormView ID="FormView1" runat="server" DataKeyNames="hostid" DataSourceID="SqlDataSource1" AllowPaging="True" Height="60px" Width="266px">

<EditItemTemplate>

hostid:

<asp:Label ID="hostidLabel1" runat="server" Text='<%#Eval("hostid") %>'></asp:Label><br />

hostingname:

<asp:TextBox ID="hostingnameTextBox" runat="server" Text='<%# Bind("hostingname") %>'>

</asp:TextBox><br />

<asp:LinkButton ID="UpdateButton" runat="server" CausesValidation="True" CommandName="Update"

Text="Update">

</asp:LinkButton>

<asp:LinkButton ID="UpdateCancelButton" runat="server" CausesValidation="False" CommandName="Cancel"

Text="Cancel">

</asp:LinkButton>

</EditItemTemplate>

<InsertItemTemplate>

hostingname:

<asp:TextBox ID="hostingnameTextBox" runat="server" Text='<%# Bind("hostingname") %>'>

</asp:TextBox><br />

<asp:LinkButton ID="InsertButton" runat="server" CausesValidation="True" CommandName="Insert"

Text="Insert">

</asp:LinkButton>

<asp:LinkButton ID="InsertCancelButton" runat="server" CausesValidation="False" CommandName="Cancel"

Text="Cancel">

</asp:LinkButton>

</InsertItemTemplate>

<ItemTemplate>

hostid:

<asp:Label ID="hostidLabel" runat="server" Text='<%# Eval("hostid") %>'></asp:Label><br />

hostingname:

<asp:Label ID="hostingnameLabel" runat="server" Text='<%# Bind("hostingname") %>'>

</asp:Label><br />

<asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="true" CommandArgument="Edit">Edit</asp:LinkButton>

</ItemTemplate>

<EmptyDataTemplate>

No Records Found

</EmptyDataTemplate>

<PagerTemplate>

<asp:LinkButton ID="btnFirst" CommandName="Page" CommandArgument="First" Text="First" runat="server"/>

<asp:LinkButton ID="btnPrevious" CommandName="Page" CommandArgument="Prev" Text="Previous" runat="server"/>

<asp:LinkButton ID="btnNext" CommandName="Page" CommandArgument="Next" Text="Next" runat="server"/>

<asp:LinkButton ID="btnLast" CommandName="Page" CommandArgument="Last" Text="Last" runat="server"/>

</PagerTemplate>

</asp:FormView>

<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:hostnowConnectionString %>"

SelectCommand="SELECT * FROM [tbl_Hosting]">

</asp:SqlDataSource>

&nbsp;

</div>

</form>

</body>

</html>
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 About the author
 
Yogesh Verma

Yogesh is working as a SharePoint Specialist. Yogesh's background includes Master's in Computer Science and Applications and B. Sc. Maths. He is working on Sharepoint, Moss 2007, ASP.NET  and C #, SQL.
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 Comments
form view examples by charanpreet On March 20, 2008
please send me the example of form view control in c#. thanks & regards charanpreet
Reply | Email | Modify 
Form View by zeeshan On August 16, 2008
I need a example of form view in which i want to calculate some integer values i.e i put calues in two fields and sum of the two fields autometically display in the 3rd feild.... Plz send me that example ........... Thanx
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Formview edit,update,delete Code Sample in vb.net by Narayan On August 20, 2008
please send me Formview edit,update,delete Code Sample in vb.net by using connection string,command objects.
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Formview to upload image by Sharmila On December 21, 2009
Hi,

How to upload and display image thru formview control? I tried lot but its neither giving me error nor displaying image. In Sql database I have stored image with Image field type.

<asp:FormView ID="frmProfile" runat = "server" DataSourceID ="SqlDataSource1">

 

<ItemTemplate >

<table border ="0">

<tr><td><asp:LinkButton ID="lnkEdit" runat ="server" Text="Edit" CausesValidation ="false" CommandName ="Edit" /></td>

</tr><tr><td><asp:Image ID="imgProfile" runat ="server" ImageUrl ='<%# Eval("photo")%>' AlternateText ="Not Available" /></td>


</ItemTemplate>

<EditItemTemplate >

<table border ="0">

<tr><td><asp:LinkButton ID="lnkUpdate" runat="server" Text="Update" CausesValidation ="true" CommandName ="Update" /> </td>

<td><asp:LinkButton ID="lnkCancel" runat ="server" Text="Cancel" CausesValidation ="false" CommandName ="Cancel" /></td></tr> <hr />

<tr><td><asp:Image ID="imgProfileEdit" Width = "150" Height = "125" ImageUrl ='<%# Eval("photo")%>' runat = "server" AlternateText ="Not Available" /> </td>

</table>

</EditItemTemplate>

</asp:FormView>

<asp:SqlDataSource ID="SqlDataSource1" runat ="server" ConnectionString ="<%$ ConnectionStrings:cnnvastu %>" SelectCommand ="LoadData" UpdateCommand ="updateProfile" UpdateCommandType ="StoredProcedure" SelectCommandType="StoredProcedure">

my VB code is -

Public Sub frmProfile_DataBound(ByVal sender As Object, ByVal e As System.EventArgs) Handles frmProfile.DataBound

Dim row As FormViewRow = frmProfile.Row

Dim rowview As DataRowView = CType(frmProfile.DataItem, DataRowView)

Dim profilePhoto As Image = Nothing

Select Case frmProfile.CurrentMode

Case FormViewMode.ReadOnly

profilePhoto = CType(row.FindControl("imgProfile"), Image)

Case FormViewMode.Edit

profilePhoto = CType(row.FindControl("imgProfileEdit"), Image)

Case Else

End Select

If profilePhoto IsNot Nothing Then

profilePhoto.ToolTip = "Not Available"

End If

End Sub



Let me know why its not working.. its displaying AlternateText every time.

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