BaseDataList.GridLines BaseDataList.GridLines BaseDataList.GridLines BaseDataList.GridLines Property

Definizione

Ottiene o imposta un valore che indica se il bordo tra le celle di un controllo di elenco dei dati verrà visualizzato.Gets or sets a value that specifies whether the border between the cells of a data listing control is displayed.

public:
 virtual property System::Web::UI::WebControls::GridLines GridLines { System::Web::UI::WebControls::GridLines get(); void set(System::Web::UI::WebControls::GridLines value); };
[System.ComponentModel.Bindable(true)]
public virtual System.Web.UI.WebControls.GridLines GridLines { get; set; }
member this.GridLines : System.Web.UI.WebControls.GridLines with get, set
Public Overridable Property GridLines As GridLines

Valore della proprietà

Uno dei valori di GridLines.One of the GridLines values. Il valore predefinito è Both.The default value is Both.

Esempi

Esempio di codice seguente viene illustrato come utilizzare il GridLines proprietà per visualizzare le linee orizzontali e verticali in un controllo con associazione a dati.The following code example demonstrates how to use the GridLines property to display both the horizontal and vertical gridlines in a data-bound control.


<%@ Page Language="C#" 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">
 
      ICollection CreateDataSource() 
      {
      
         // Create sample data for the DataGrid control.
         DataTable dt = new DataTable();
         DataRow dr;
 
         // Define the columns of the table.
         dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
         dt.Columns.Add(new DataColumn("StringValue", typeof(string)));
         dt.Columns.Add(new DataColumn("CurrencyValue", typeof(double)));
 
         // Populate the table with sample values.
         for (int i = 0; i < 9; i++) 
         {
            dr = dt.NewRow();
 
            dr[0] = i;
            dr[1] = "Item " + i.ToString();
            dr[2] = 1.23 * (i + 1);
 
            dt.Rows.Add(dr);
         }
 
         DataView dv = new DataView(dt);
         return dv;
      }
 
      void Page_Load(Object sender, EventArgs e) 
      {
 
         // Load sample data only once when the page is first loaded.
         if (!IsPostBack) 
         {
            ItemsGrid.DataSource = CreateDataSource();
            ItemsGrid.DataBind();
         }

      }

      void Index_Change(Object sender, EventArgs e) 
      {

         ItemsGrid.GridLines = (GridLines)GridLinesList.SelectedIndex;

      }
 
   </script>
 
<head runat="server">
    <title>BaseDataList GridLines Example</title>
</head>
<body>
 
   <form id="form1" runat="server">
 
      <h3>BaseDataList GridLines Example</h3>
 
      <asp:DataGrid id="ItemsGrid"
           BorderColor="black"
           BorderWidth="1"
           CellPadding="3"
           GridLines="Both"
           AutoGenerateColumns="true"
           runat="server">

         <HeaderStyle BackColor="#00aaaa">
         </HeaderStyle> 
 
      </asp:DataGrid>

      <br />

      <h4>Select the gridline style:</h4>

            <table cellpadding="5">

         <tr>

            <td>

               Gridline style:

            </td>

         </tr>

         <tr>

            <td>

               <asp:DropDownList id="GridLinesList"
                    AutoPostBack="True"
                    OnSelectedIndexChanged="Index_Change"
                    runat="server">

                  <asp:ListItem Value="0">None</asp:ListItem>
                  <asp:ListItem Value="1">Horizontal</asp:ListItem>
                  <asp:ListItem Value="2">Vertical</asp:ListItem>
                  <asp:ListItem Value="3" Selected="True">Both</asp:ListItem>

               </asp:DropDownList>

            </td>

         </tr>

      </table>
      
   </form>
 
</body>
</html>


<%@ 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">
 
      Function CreateDataSource() As ICollection 
      
         ' Create sample data for the DataGrid control.
         Dim dt As DataTable = New DataTable()
         Dim dr As DataRow
 
         ' Define the columns of the table.
         dt.Columns.Add(New DataColumn("IntegerValue", GetType(Int32)))
         dt.Columns.Add(New DataColumn("StringValue", GetType(string)))
         dt.Columns.Add(New DataColumn("CurrencyValue", GetType(double)))
 
         ' Populate the table with sample values.
         Dim i As Integer

         For i = 0 to 8 
        
            dr = dt.NewRow()
 
            dr(0) = i
            dr(1) = "Item " & i.ToString()
            dr(2) = 1.23 * (i + 1)
 
            dt.Rows.Add(dr)

         Next i
 
         Dim dv As DataView = New DataView(dt)
         Return dv

      End Function
 
      Sub Page_Load(sender As Object, e As EventArgs) 
 
         ' Load sample data only once when the page is first loaded.
         If Not IsPostBack Then 
  
            ItemsGrid.DataSource = CreateDataSource()
            ItemsGrid.DataBind()

         End If

      End Sub

      Sub Index_Change(sender As Object, e As EventArgs) 

         ItemsGrid.GridLines = CType(GridLinesList.SelectedIndex, GridLines)

      End Sub
 
   </script>
 
<head runat="server">
    <title>BaseDataList GridLines Example</title>
</head>
<body>
 
   <form id="form1" runat="server">
 
      <h3>BaseDataList GridLines Example</h3>
 
      <asp:DataGrid id="ItemsGrid"
           BorderColor="black"
           BorderWidth="1"
           CellPadding="3"
           GridLines="Both"
           AutoGenerateColumns="true"
           runat="server">

         <HeaderStyle BackColor="#00aaaa">
         </HeaderStyle> 
 
      </asp:DataGrid>

      <br />

      <h4>Select the gridline style:</h4>

            <table cellpadding="5">

         <tr>

            <td>

               Gridline style:

            </td>

         </tr>

         <tr>

            <td>

               <asp:DropDownList id="GridLinesList"
                    AutoPostBack="True"
                    OnSelectedIndexChanged="Index_Change"
                    runat="server">

                  <asp:ListItem Value="0">None</asp:ListItem>
                  <asp:ListItem Value="1">Horizontal</asp:ListItem>
                  <asp:ListItem Value="2">Vertical</asp:ListItem>
                  <asp:ListItem Value="3" Selected="True">Both</asp:ListItem>

               </asp:DropDownList>

            </td>

         </tr>

      </table>
      
   </form>
 
</body>
</html>

Commenti

Usare il GridLines proprietà per specificare se viene visualizzato il bordo tra le celle di un controllo elenco dati.Use the GridLines property to specify whether the border between the cells of a data listing control is displayed. Questa proprietà è impostata con uno del GridLines valori di enumerazione.This property is set with one of the GridLines enumeration values. La tabella seguente elenca i valori possibili.The following table lists the possible values.

ValueValue DescrizioneDescription
None Non viene visualizzato alcun bordo della cella.No cell border is displayed.
Horizontal Vengono visualizzati solo i bordi superiori e inferiori delle celle di un controllo elenco dati.Only the upper and lower borders of the cells in a data listing control are displayed.
Vertical Vengono visualizzati solo i bordi sinistro e destro delle celle nel controllo elenco dati.Only the left and right borders of the cells in the data list control are displayed.
Both Vengono visualizzati tutti i bordi delle celle di un controllo elenco dati.All borders of the cells in a data listing control are displayed.

Si applica a

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