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Paginado Datagrid

12/07/2004 - 16:36 por Alberto | Informe spam
Ayuda Hacer una pregunta
Hay forma de en el paginado del datagrid ponerle un Ir al primero("<<") e Ir
al ultimo(">>") ??

Muchas Gracias.
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#1 Franco Figún
12/07/2004 - 17:13 | Informe spam
Aca tenes un ejemplo:

<%@ Import Namespace="System.Data" %>

<html>
<script language="VB" runat="server">

Function CreateDataSource() As ICollection

Dim dt As DataTable
Dim dr As DataRow
Dim i As Integer

'create a DataTable
dt = New DataTable
dt.Columns.Add(New DataColumn("IntegerValue", GetType(Integer)))
dt.Columns.Add(New DataColumn("StringValue", GetType(String)))
dt.Columns.Add(New DataColumn("DateTimeValue", GetType(DateTime)))
dt.Columns.Add(New DataColumn("BoolValue", GetType(Boolean)))

'Make some rows and put some sample data in
For i = 1 To 200
dr = dt.NewRow()
dr(0) = i
dr(1) = "Item " + i.ToString()
dr(2) = DateTime.Now.ToShortTimeString
If (i Mod 2 <> 0) Then
dr(3) = True
Else
dr(3) = False
End If
dt.Rows.Add(dr)
Next

'return a DataView to the DataTable
CreateDataSource = New DataView(dt)

End Function

Sub Page_Load(sender As Object, e As EventArgs)

If chk1.Checked Then
MyDataGrid.PagerStyle.Visible = True
Else
MyDataGrid.PagerStyle.Visible = False
End If

BindGrid
End Sub

Sub PagerButtonClick(sender As Object, e As EventArgs)
'used by external paging UI
Dim arg As String = sender.CommandArgument

Select arg
Case "next":
If (MyDataGrid.CurrentPageIndex < (MyDataGrid.PageCount -
1)) Then
MyDataGrid.CurrentPageIndex += 1
End If
Case "prev":
If (MyDataGrid.CurrentPageIndex > 0) Then
MyDataGrid.CurrentPageIndex -= 1
End If
Case "last":
MyDataGrid.CurrentPageIndex = (MyDataGrid.PageCount - 1)
Case Else:
'page number
MyDataGrid.CurrentPageIndex = Convert.ToInt32(arg)
End Select

BindGrid
End Sub

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

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

Sub ShowStats()
lblCurrentIndex.Text = "CurrentPageIndex is " &
MyDataGrid.CurrentPageIndex
lblPageCount.Text = "PageCount is " & MyDataGrid.PageCount
End Sub


</script>

<body>

<h3><font face="Verdana">Providing Alternate Paging UI</font></h3>

<form runat=server>

<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-Name="Verdana"
Font-Size="8pt"
HeaderStyle-BackColor="#aaaadd"
AlternatingItemStyle-BackColor="#eeeeee"
/>

<p>
<asp:LinkButton id="btnPrev" runat="server"
Text="Previous page"
CommandArgument="prev"
ForeColor="navy"
Font-Name="verdana" Font-size="8pt"
OnClick="PagerButtonClick"
/>
&nbsp;
<asp:LinkButton id="btnNext" runat="server"
Text="Next page"
CommandArgument="next"
ForeColor="navy"
Font-Name="verdana" Font-size="8pt"
OnClick="PagerButtonClick"
/>
&nbsp;
<asp:LinkButton id="btnPage8" runat="server"
Text="Go to Page 8"
CommandArgument="7"
ForeColor="navy"
Font-Name="verdana" Font-size="8pt"
OnClick="PagerButtonClick"
/>
&nbsp;
<asp:LinkButton id="btnFirst" runat="server"
Text="Go to the first page"
CommandArgument="0"
ForeColor="navy"
Font-Name="verdana" Font-size="8pt"
OnClick="PagerButtonClick"
/>
&nbsp;
<asp:LinkButton id="btnLast" runat="server"
Text="Go to the last page"
CommandArgument="last"
ForeColor="navy"
Font-Name="verdana" Font-size="8pt"
OnClick="PagerButtonClick"
/>


<p>
<asp:Checkbox id="chk1" runat="server"
Text="Show built-in pager"
Font-Name="Verdana"
Font-Size="8pt"
AutoPostBack="true"
/>

<p>
<table bgcolor="#eeeeee" cellpadding="6"><tr><td nowrap><font
face="Verdana" size="-2">

<asp:Label id="lblCurrentIndex" runat="server" /><br>
<asp:Label id="lblPageCount" runat="server" /><br>

</font></td></tr></table>
</form>

</body>
</html>-- FFwww.francofigun.com.arMSN:
MSN: "Alberto"
wrote in message
news:
Hay forma de en el paginado del datagrid ponerle un Ir al primero("<<") e


Ir
al ultimo(">>") ??

Muchas Gracias.


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