FormView.PageCount Property
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Gets the total number of pages required to display every record in the data source.
public:
virtual property int PageCount { int get(); };[System.ComponentModel.Browsable(false)]
public virtual int PageCount { get; }[<System.ComponentModel.Browsable(false)>]
member this.PageCount : intPublic Overridable ReadOnly Property PageCount As IntegerProperty Value
The number of items in the underlying data source.
- Attributes
Examples
The following example demonstrates how to use the PageCount property to determine the total number of records displayed in the control.
<%@ Page language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
void EmployeeFormView_DataBound(Object sender, EventArgs e)
{
// Get the pager row.
FormViewRow pagerRow = EmployeeFormView.BottomPagerRow;
// Get the Label controls that display the current page information
// from the pager row.
Label pageNum = (Label)pagerRow.Cells[0].FindControl("PageNumberLabel");
Label totalNum = (Label)pagerRow.Cells[0].FindControl("TotalPagesLabel");
if ((pageNum != null) && (totalNum != null))
{
// Update the Label controls with the current page values.
int page = EmployeeFormView.PageIndex + 1;
int count = EmployeeFormView.PageCount;
pageNum.Text = page.ToString();
totalNum.Text = count.ToString();
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>FormView PagerTemplate Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>FormView PagerTemplate Example</h3>
<asp:formview id="EmployeeFormView"
datasourceid="EmployeeSource"
allowpaging="true"
datakeynames="EmployeeID"
ondatabound="EmployeeFormView_DataBound"
runat="server">
<itemtemplate>
<table>
<tr>
<td>
<asp:image id="EmployeeImage"
imageurl='<%# Eval("PhotoPath") %>'
alternatetext='<%# Eval("LastName") %>'
runat="server"/>
</td>
<td>
<h3><%# Eval("FirstName") %> <%# Eval("LastName") %></h3>
<%# Eval("Title") %>
</td>
</tr>
</table>
</itemtemplate>
<pagertemplate>
<table width="100%">
<tr>
<td>
<asp:linkbutton id="PreviousButton"
text="<"
commandname="Page"
commandargument="Prev"
runat="Server"/>
<asp:linkbutton id="NextButton"
text=">"
commandname="Page"
commandargument="Next"
runat="Server"/>
</td>
<td align="right">
Page <asp:label id="PageNumberLabel" runat="server"/>
of <asp:label id="TotalPagesLabel" runat="server"/>
</td>
</tr>
</table>
</pagertemplate>
<pagersettings position="Bottom"
mode="NextPrevious"/>
</asp:formview>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the Northwind sample database. Use an ASP.NET -->
<!-- expression to retrieve the connection string value -->
<!-- from the Web.config file. -->
<asp:sqldatasource id="EmployeeSource"
selectcommand="Select [EmployeeID], [LastName], [FirstName], [Title], [PhotoPath] From [Employees]"
connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>"
runat="server"/>
</form>
</body>
</html>
<%@ Page language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Sub EmployeeFormView_DataBound(ByVal sender As Object, ByVal e As EventArgs)
' Get the pager row.
Dim pagerRow As FormViewRow = EmployeeFormView.BottomPagerRow
' Get the Label controls that display the current page information
' from the pager row.
Dim pageNum As Label = CType(pagerRow.Cells(0).FindControl("PageNumberLabel"), Label)
Dim totalNum As Label = CType(pagerRow.Cells(0).FindControl("TotalPagesLabel"), Label)
If pageNum IsNot Nothing And totalNum IsNot Nothing Then
' Update the Label controls with the current page values.
Dim page As Integer = EmployeeFormView.PageIndex + 1
Dim count As Integer = EmployeeFormView.PageCount
pageNum.Text = page.ToString()
totalNum.Text = count.ToString()
End If
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>FormView PagerTemplate Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>FormView PagerTemplate Example</h3>
<asp:formview id="EmployeeFormView"
datasourceid="EmployeeSource"
allowpaging="true"
datakeynames="EmployeeID"
ondatabound="EmployeeFormView_DataBound"
runat="server">
<itemtemplate>
<table>
<tr>
<td>
<asp:image id="EmployeeImage"
imageurl='<%# Eval("PhotoPath") %>'
alternatetext='<%# Eval("LastName") %>'
runat="server"/>
</td>
<td>
<h3><%# Eval("FirstName") %> <%# Eval("LastName") %></h3>
<%# Eval("Title") %>
</td>
</tr>
</table>
</itemtemplate>
<pagertemplate>
<table width="100%">
<tr>
<td>
<asp:linkbutton id="PreviousButton"
text="<"
commandname="Page"
commandargument="Prev"
runat="Server"/>
<asp:linkbutton id="NextButton"
text=">"
commandname="Page"
commandargument="Next"
runat="Server"/>
</td>
<td align="right">
Page <asp:label id="PageNumberLabel" runat="server"/>
of <asp:label id="TotalPagesLabel" runat="server"/>
</td>
</tr>
</table>
</pagertemplate>
<pagersettings position="Bottom"
mode="NextPrevious"/>
</asp:formview>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the Northwind sample database. Use an ASP.NET -->
<!-- expression to retrieve the connection string value -->
<!-- from the Web.config file. -->
<asp:sqldatasource id="EmployeeSource"
selectcommand="Select [EmployeeID], [LastName], [FirstName], [Title], [PhotoPath] From [Employees]"
connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>"
runat="server"/>
</form>
</body>
</html>
Remarks
When the paging feature is enabled (when the AllowPaging property is set to true), use the PageCount property to determine the total number of records in the underlying data source.
Note
Because the FormView control displays only one record at a time, this value corresponds to the total number of pages required to display every record in the data source. This value is not accurate until after data-binding occurs.
To determine the index of the current record from the underlying data source, use the PageIndex property.
Applies to
See also
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