WebControl.MergeStyle Method (Style)
.NET Framework (current version)
Copies any nonblank elements of the specified style to the Web control, but will not overwrite any existing style elements of the control. This method is used primarily by control developers.
Assembly: System.Web (in System.Web.dll)
The following example demonstrates how to use the MergeStyle method to merge a style with the style of a DataGrid control.
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The following code sample uses the single-file code model and may not work correctly if copied directly into a code-behind file. This code sample must be copied into an empty text file that has an .aspx extension. For more information on the Web Forms code model, see ASP.NET Web Forms Page Code Model. |
<%@ Page Language="VB" AutoEventWireup="True" %> <%@ Import Namespace="System.Data" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <script runat="server"> Private Function CreateDataSource() As ICollection Dim dt As DataTable = New DataTable Dim dr As DataRow Dim dv As DataView Dim i As Integer dt.Columns.Add(New DataColumn("IntegerValue", GetType(Integer))) dt.Columns.Add(New DataColumn("StringValue", GetType(String))) dt.Columns.Add(New DataColumn("CurrencyValue", GetType(Double))) for i = 0 to 9 dr = dt.NewRow() dr(0) = i dr(1) = "Item " + i.ToString() dr(2) = 1.23 * (i + 1) dt.Rows.Add(dr) next i dv = New DataView(dt) CreateDataSource = dv End Function Private Sub Page_Load(sender As Object, e As EventArgs) If Not IsPostBack Then ' Load this data only once. ItemsGrid.DataSource = CreateDataSource() ItemsGrid.DataBind() End If End Sub Private Sub Button_Click(sender As Object, e As EventArgs) Dim myStyle As Style = new Style() myStyle.ForeColor = System.Drawing.Color.Red ItemsGrid.MergeStyle(myStyle) End Sub </script> <head runat="server"> <title>WebControl MergeStyle Example</title> </head> <body> <form id="form1" runat="server"> <h3>WebControl MergeStyle Example</h3> <b>Product List</b> <asp:DataGrid id="ItemsGrid" BorderColor="black" BorderWidth="1" BackColor="Yellow" CellPadding="3" AutoGenerateColumns="false" runat="server"> <HeaderStyle BackColor="#00aaaa"> </HeaderStyle> <Columns> <asp:BoundColumn HeaderText="Number" DataField="IntegerValue"> </asp:BoundColumn> <asp:BoundColumn HeaderText="Description" DataField="StringValue"> </asp:BoundColumn> <asp:BoundColumn HeaderText="Price" DataField="CurrencyValue" DataFormatString="{0:c}"> </asp:BoundColumn> </Columns> </asp:DataGrid> <br /><br /> <asp:Button id="Button1" Text="Merge Custom Style" OnClick="Button_Click" runat="server"/> </form> </body> </html>
.NET Framework
Available since 1.1
Available since 1.1
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