Gets or sets a value indicating whether a data control field is rendered.
(in System.Web.dll)
Visual Basic (Declaration)
Public Property Visible As Boolean
Dim instance As DataControlField
Dim value As Boolean
value = instance.Visible
instance.Visible = value
public bool Visible { get; set; }
public:
property bool Visible {
bool get ();
void set (bool value);
}
public function get Visible () : boolean
public function set Visible (value : boolean)
Use the Visible property to show or hide DataControlField objects in a data-bound control.
If the the Visible property is false, the data values are not displayed and do not make a round-trip to the client. If you want to round-trip the data for a field that is not visible, add the field name to the DataKeyNames property of the data-bound control.
The following code example demonstrates how to use BoundField and ButtonField objects, which are derived from DataControlField, to display rows in a DetailsView control. The Visible property of the BoundField object that displays the EmployeeID column is set to false, and the column is not rendered by the DetailsView control.
<%@ page language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html >
<head runat="server">
<title>ASP.NET Example</title>
</head>
<body>
<form id="form1" runat="server">
<asp:detailsview
id="DetailsView1"
runat="server"
allowpaging="True"
datasourceid="SqlDataSource1"
autogeneraterows="False"
width="312px"
height="152px">
<fields>
<asp:boundfield
visible="False"
sortexpression="EmployeeID"
datafield="EmployeeID">
</asp:boundfield>
<asp:boundfield
sortexpression="LastName"
datafield="LastName"
headertext="LastName">
</asp:boundfield>
<asp:boundfield
sortexpression="FirstName"
datafield="FirstName"
headertext="FirstName">
</asp:boundfield>
<asp:boundfield
sortexpression="Title"
datafield="Title"
headertext="Title">
</asp:boundfield>
<asp:buttonfield text="Button">
<controlstyle font-bold="True" forecolor="Red" />
</asp:buttonfield>
</fields>
</asp:detailsview>
<asp:sqldatasource
id="SqlDataSource1"
runat="server"
selectcommand="SELECT * FROM Employees"
connectionstring="<%$ ConnectionStrings:MyNorthwind%>">
</asp:sqldatasource>
</form>
</body>
</html>
<%@ page language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html >
<head runat="server">
<title>ASP.NET Example</title>
</head>
<body>
<form id="form1" runat="server">
<asp:detailsview
id="DetailsView1"
runat="server"
allowpaging="True"
datasourceid="SqlDataSource1"
autogeneraterows="False"
width="312px"
height="152px">
<fields>
<asp:boundfield
visible="False"
sortexpression="EmployeeID"
datafield="EmployeeID">
</asp:boundfield>
<asp:boundfield
sortexpression="LastName"
datafield="LastName"
headertext="LastName">
</asp:boundfield>
<asp:boundfield
sortexpression="FirstName"
datafield="FirstName"
headertext="FirstName">
</asp:boundfield>
<asp:boundfield
sortexpression="Title"
datafield="Title"
headertext="Title">
</asp:boundfield>
<asp:buttonfield text="Button">
<controlstyle font-bold="True" forecolor="Red" />
</asp:buttonfield>
</fields>
</asp:detailsview>
<asp:sqldatasource
id="SqlDataSource1"
runat="server"
selectcommand="SELECT * FROM Employees"
connectionstring="<%$ ConnectionStrings:MyNorthwind%>">
</asp:sqldatasource>
</form>
</body>
</html>
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
.NET Framework
Supported in: 3.5, 3.0, 2.0
Reference