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DataGrid.PagerStyle Propriedade

  • Referência

Definição

Namespace:
System.Web.UI.WebControls
Assembly:
System.Web.dll

Obtém as propriedades de estilo da seção de paginação do controle DataGrid.

public:
 virtual property System::Web::UI::WebControls::DataGridPagerStyle ^ PagerStyle { System::Web::UI::WebControls::DataGridPagerStyle ^ get(); };
[System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)]
public virtual System.Web.UI.WebControls.DataGridPagerStyle PagerStyle { get; }
[<System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)>]
member this.PagerStyle : System.Web.UI.WebControls.DataGridPagerStyle
Public Overridable ReadOnly Property PagerStyle As DataGridPagerStyle

Valor da propriedade

DataGridPagerStyle

Um objeto DataGridPagerStyle que contém as propriedades de estilo da seção de paginação do controle DataGrid. O valor padrão é um objeto DataGridPagerStyle vazio.

Atributos
PersistenceModeAttribute

Exemplos

O exemplo de código a seguir demonstra como usar a PagerStyle propriedade para especificar um estilo personalizado para os elementos de seleção de página do DataGrid controle.

<%@ 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 language="C#" runat="server">
 
    ICollection CreateDataSource() 
    {
       DataTable dt = new DataTable();
       DataRow dr;
 
       dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
       dt.Columns.Add(new DataColumn("StringValue", typeof(string)));
       dt.Columns.Add(new DataColumn("DateTimeValue", typeof(string)));
       dt.Columns.Add(new DataColumn("BoolValue", typeof(bool)));
 
       for (int i = 0; i < 100; i++) {
          dr = dt.NewRow();
 
          dr[0] = i;
          dr[1] = "Item " + i.ToString();
          dr[2] = DateTime.Now.ToShortDateString();
          dr[3] = (i % 2 != 0) ? true : false;
 
          dt.Rows.Add(dr);
       }
 
       DataView dv = new DataView(dt);
       return dv;
    }
 
    void Page_Load(Object sender, EventArgs E ) 
    {
       if (chk1.Checked)
          MyDataGrid.PagerStyle.Mode = PagerMode.NumericPages;
       else 
          MyDataGrid.PagerStyle.Mode = PagerMode.NextPrev;
 
       BindGrid();
    }
 
    void MyDataGrid_Page(Object sender, DataGridPageChangedEventArgs e) 
    {
       MyDataGrid.CurrentPageIndex = e.NewPageIndex;
       BindGrid();
    }
 
    void BindGrid() 
    {
       MyDataGrid.DataSource = CreateDataSource();
       MyDataGrid.DataBind();
       ShowStats();
    }
 
    void ShowStats() 
    {
       lblEnabled.Text = "AllowPaging is " + MyDataGrid.AllowPaging;
       lblCurrentIndex.Text = "CurrentPageIndex is " + MyDataGrid.CurrentPageIndex;
       lblPageCount.Text = "PageCount is " + MyDataGrid.PageCount;
       lblPageSize.Text = "PageSize is " + MyDataGrid.PageSize;
    }
 
 
 </script>
 
 <head runat="server">
    <title>DataGrid Paging Example</title>
</head>
<body>
 
    <h3>DataGrid Paging Example</h3>
 
    <form id="form1" runat="server">
 
       <asp:DataGrid id="MyDataGrid" runat="server"
            AllowPaging="True"
            PageSize="10"
            OnPageIndexChanged="MyDataGrid_Page"
            BorderColor="black"
            BorderWidth="1"
            GridLines="Both"
            CellPadding="3"
            CellSpacing="0"
            Font-Names="Verdana"
            Font-Size="8pt">

          <PagerStyle Mode="NumericPages"
                      HorizontalAlign="Right">
          </PagerStyle>

          <HeaderStyle BackColor="#aaaadd">
          </HeaderStyle>

          <AlternatingItemStyle BackColor="#eeeeee">
          </AlternatingItemStyle>
 
       </asp:DataGrid>
       
       <br />
 
       <asp:Checkbox id="chk1" runat="server"
            Text="Show numeric page navigation buttons"
            Font-Names="Verdana"
            Font-Size="8pt"
            AutoPostBack="true"/>
 
       <br />
 
       <table style="background-color:#eeeeee; padding:6">
          <tr>
             <td style="display:inline">
                
 
                   <asp:Label id="lblEnabled" 
                        runat="server"/><br />
                   <asp:Label id="lblCurrentIndex" 
                        runat="server"/><br />
                   <asp:Label id="lblPageCount" 
                        runat="server"/><br />
                   <asp:Label id="lblPageSize" 
                        runat="server"/><br />
 
                
             </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 language="VB" runat="server">
 
Function CreateDataSource() As ICollection
    Dim dt As New DataTable()
    Dim dr As DataRow
    
    dt.Columns.Add(New DataColumn("IntegerValue", GetType(Int32)))
    dt.Columns.Add(New DataColumn("StringValue", GetType(String)))
    dt.Columns.Add(New DataColumn("DateTimeValue", GetType(String)))
    dt.Columns.Add(New DataColumn("BoolValue", GetType(Boolean)))
    
    Dim i As Integer
    For i = 0 To 99
        dr = dt.NewRow()
        
        dr(0) = i
        dr(1) = "Item " & i.ToString()
        dr(2) = DateTime.Now.ToShortDateString()
        If i Mod 2 <> 0 Then
            dr(3) = True
        Else
            dr(3) = False
        End If
        
        dt.Rows.Add(dr)
    Next i
    
    Dim dv As New DataView(dt)
    Return dv
End Function 'CreateDataSource


Sub Page_Load(sender As Object, E As EventArgs)
    If chk1.Checked Then
        MyDataGrid.PagerStyle.Mode = PagerMode.NumericPages
    Else
        MyDataGrid.PagerStyle.Mode = PagerMode.NextPrev
    End If 
    BindGrid()
End Sub 'Page_Load


Sub MyDataGrid_Page(sender As Object, e As DataGridPageChangedEventArgs)
    MyDataGrid.CurrentPageIndex = e.NewPageIndex
    BindGrid()
End Sub 'MyDataGrid_Page


Sub BindGrid()
    MyDataGrid.DataSource = CreateDataSource()
    MyDataGrid.DataBind()
    ShowStats()
End Sub 'BindGrid


Sub ShowStats()
    lblEnabled.Text = "AllowPaging is " & MyDataGrid.AllowPaging
    lblCurrentIndex.Text = "CurrentPageIndex is " & MyDataGrid.CurrentPageIndex
    lblPageCount.Text = "PageCount is " & MyDataGrid.PageCount
    lblPageSize.Text = "PageSize is " & MyDataGrid.PageSize
End Sub 'ShowStats
 
 
 </script>
 
 <head runat="server">
    <title>DataGrid Paging Example</title>
</head>
<body>
 
    <h3>DataGrid Paging Example</h3>
 
    <form id="form1" runat="server">
 
       <asp:DataGrid id="MyDataGrid" runat="server"
            AllowPaging="True"
            PageSize="10"
            OnPageIndexChanged="MyDataGrid_Page"
            BorderColor="black"
            BorderWidth="1"
            GridLines="Both"
            CellPadding="3"
            CellSpacing="0"
            Font-Names="Verdana"
            Font-Size="8pt">

          <PagerStyle Mode="NumericPages"
                      HorizontalAlign="Right">
          </PagerStyle>

          <HeaderStyle BackColor="#aaaadd">
          </HeaderStyle>

          <AlternatingItemStyle BackColor="#eeeeee">
          </AlternatingItemStyle>
 
       </asp:DataGrid>
       
       <br />
 
       <asp:Checkbox id="chk1" runat="server"
            Text="Show numeric page navigation buttons"
            Font-Names="Verdana"
            Font-Size="8pt"
            AutoPostBack="true"/>
 
       <br />
 
       <table style="background-color:#eeeeee; padding:6">
          <tr>
             <td style="display:inline">
                
 
                   <asp:Label id="lblEnabled" 
                        runat="server"/><br />
                   <asp:Label id="lblCurrentIndex" 
                        runat="server"/><br />
                   <asp:Label id="lblPageCount" 
                        runat="server"/><br />
                   <asp:Label id="lblPageSize" 
                        runat="server"/><br />
 
                
             </td>
          </tr>
       </table>
 
    </form>
 
 </body>
 </html>


<%@ 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<=100; 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 Selection_Change(Object sender, EventArgs e)
      {

         // Set the background color for the paging controls section of
         // the DataGrid control.
         ItemsGrid.PagerStyle.BackColor = 
             System.Drawing.Color.FromName(List.SelectedItem.Value);

      }

      void Grid_Change(Object sender, DataGridPageChangedEventArgs e) 
      {
 
         // For the DataGrid control to navigate to the correct page when
         // paging is allowed, the CurrentPageIndex property must be
         // updated programmatically. This process is usually accomplished
         // in the event-handling method for the PageIndexChanged event.

         // Set CurrentPageIndex to the page the user clicked.
         ItemsGrid.CurrentPageIndex = e.NewPageIndex;

         // Rebind the data to refresh the DataGrid control. 
         ItemsGrid.DataSource = CreateDataSource();
         ItemsGrid.DataBind();
      
      }

   </script>
 
<head runat="server">
    <title>DataGrid PagerStyle Example</title>
</head>
<body>
 
   <form id="form1" runat="server">
 
      <h3>DataGrid PagerStyle Example</h3>

      Select a background color for the paging controls section 
      of the DataGrid control.

      <br /><br />
 
      <b>Product List</b>
 
      <asp:DataGrid id="ItemsGrid"
           BorderColor="black"
           BorderWidth="1"
           CellPadding="3"
           AutoGenerateColumns="False"
           PageSize="10"
           AllowPaging="True"
           OnPageIndexChanged="Grid_Change"
           runat="server">

         <HeaderStyle BackColor="#00aaaa">
         </HeaderStyle>

         <Columns>

            <asp:BoundColumn DataField="IntegerValue" 
                 SortExpression="IntegerValue"
                 HeaderText="Item"/>

            <asp:BoundColumn DataField="StringValue"
                 SortExpression="StringValue" 
                 HeaderText="Description"/>

            <asp:BoundColumn DataField="CurrencyValue" 
                 HeaderText="Price"
                 SortExpression="CurrencyValue"
                 DataFormatString="{0:c}">

               <ItemStyle HorizontalAlign="Right">
               </ItemStyle>

            </asp:BoundColumn>

         </Columns> 
 
      </asp:DataGrid>

      <hr />

      <table cellpadding="5">

         <tr>

            <td>

               BackColor:

            </td>

         </tr>

         <tr>

            <td>

               <asp:DropDownList id="List"
                    AutoPostBack="True"
                    OnSelectedIndexChanged="Selection_Change"
                    runat="server">

                  <asp:ListItem Selected="True" Value="White"> White </asp:ListItem>
                  <asp:ListItem Value="Silver"> Silver </asp:ListItem>
                  <asp:ListItem Value="DarkGray"> Dark Gray </asp:ListItem>
                  <asp:ListItem Value="Khaki"> Khaki </asp:ListItem>
                  <asp:ListItem Value="DarkKhaki"> Dark Khaki </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 100

            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 Selection_Change(sender As Object, e As EventArgs)

         ' Set the background color for the paging controls section of
         ' the DataGrid control.
         ItemsGrid.PagerStyle.BackColor = _
             System.Drawing.Color.FromName(List.SelectedItem.Value)

      End Sub

      Sub Grid_Change(sender As Object, e As DataGridPageChangedEventArgs) 
 
         ' For the DataGrid control to navigate to the correct page when
         ' paging is allowed, the CurrentPageIndex property must be
         ' updated programmatically. This process is usually accomplished
         ' in the event-handling method for the PageIndexChanged event.

         ' Set CurrentPageIndex to the page the user clicked.
         ItemsGrid.CurrentPageIndex = e.NewPageIndex

         ' Rebind the data to refresh the DataGrid control. 
         ItemsGrid.DataSource = CreateDataSource()
         ItemsGrid.DataBind()
      
      End Sub

   </script>
 
<head runat="server">
    <title>DataGrid PagerStyle Example</title>
</head>
<body>
 
   <form id="form1" runat="server">
 
      <h3>DataGrid PagerStyle Example</h3>

      Select a backcolor for the paging controls section
      of the DataGrid control.

      <br /><br />
 
      <b>Product List</b>
 
      <asp:DataGrid id="ItemsGrid"
           BorderColor="black"
           BorderWidth="1"
           CellPadding="3"
           AutoGenerateColumns="False"
           PageSize="10"
           AllowPaging="True"
           OnPageIndexChanged="Grid_Change"
           runat="server">

         <HeaderStyle BackColor="#00aaaa">
         </HeaderStyle>

         <Columns>

            <asp:BoundColumn DataField="IntegerValue" 
                 SortExpression="IntegerValue"
                 HeaderText="Item"/>

            <asp:BoundColumn DataField="StringValue"
                 SortExpression="StringValue" 
                 HeaderText="Description"/>

            <asp:BoundColumn DataField="CurrencyValue" 
                 HeaderText="Price"
                 SortExpression="CurrencyValue"
                 DataFormatString="{0:c}">

               <ItemStyle HorizontalAlign="Right">
               </ItemStyle>

            </asp:BoundColumn>

         </Columns> 
 
      </asp:DataGrid>

      <hr />

      <table cellpadding="5">

         <tr>

            <td>

               BackColor:

            </td>

         </tr>

         <tr>

            <td>

               <asp:DropDownList id="List"
                    AutoPostBack="True"
                    OnSelectedIndexChanged="Selection_Change"
                    runat="server">

                  <asp:ListItem Selected="True" Value="White"> White </asp:ListItem>
                  <asp:ListItem Value="Silver"> Silver </asp:ListItem>
                  <asp:ListItem Value="DarkGray"> Dark Gray </asp:ListItem>
                  <asp:ListItem Value="Khaki"> Khaki </asp:ListItem>
                  <asp:ListItem Value="DarkKhaki"> Dark Khaki </asp:ListItem>

               </asp:DropDownList>

            </td>

         </tr>

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

Comentários

Use essa propriedade para fornecer um estilo personalizado para a seção de paginação do DataGrid controle. Os atributos de estilo comuns que podem ser ajustados incluem forecolor, backcolor, fonte e alinhamento de conteúdo dentro da célula. Fornecer um estilo diferente melhora a aparência do DataGrid controle.

Para especificar um estilo personalizado para a seção de paginação, coloque as <PagerStyle> marcas entre as marcas de abertura e fechamento do DataGrid controle. Em seguida, você pode listar os atributos de estilo dentro da marca de abertura <PagerStyle> .

Aplica-se a

Confira também