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DataGridPagerStyle.Visible Property

  • Reference

Definition

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

Gets or sets a value indicating whether the pager is displayed in the DataGrid control.

[System.ComponentModel.Bindable(true)]
public bool Visible { get; set; }
public bool Visible { get; set; }

Property Value

Boolean

true to display the pager; otherwise, false. The default value is true.

Attributes
BindableAttribute

Examples

The following code example demonstrates how to use the Visible property to display and hide the pager element in the DataGrid control.

<%@ Page Language="C#" %>
<%@ Import Namespace="System.Data" %>
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script 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.Visible = true;
        else 
            MyDataGrid.PagerStyle.Visible = false;
 
        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>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Paging with DataGrid</title>
</head>
<body>
   <form id="form1" runat="server">
   <div>

   <h3>Paging with DataGrid</h3>

   <asp:DataGrid id="MyDataGrid" runat="server"
       AllowPaging="True"
       PageSize="10"
       PagerStyle-Mode="NumericPages"
       PagerStyle-HorizontalAlign="Right"
       OnPageIndexChanged="MyDataGrid_Page"
       BorderColor="black"
       BorderWidth="1"
       GridLines="Both"
       CellPadding="3"
       CellSpacing="0"
       Font-Names="Verdana"
       Font-Size="8pt"
       HeaderStyle-BackColor="#aaaadd"
       AlternatingItemStyle-BackColor="#eeeeee"/>
 
   <p>
       <asp:Checkbox id="chk1" runat="server"
           Text="Show pager"
           Font-Names="Verdana"
           Font-Size="8pt"
           AutoPostBack="true"/>
   </p>

   <table style="background-color: #eeeeee" cellpadding="6">
       <tr>
           <td style="white-space: nowrap">
               <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>

   </div>
   </form>
</body>
</html>

Remarks

Use the Visible property to specify whether the pager is displayed in the DataGrid control.

Applies to

Produkt Verze
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

See also