今天解决了DataGrid无刷新全选删除问题。

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今天解决了DataGrid无刷新全选删除问题。

<%@ Page Language="vb" AutoEventWireup="false" Codebehind="WebForm2.aspx.vb" Inherits="WebApplication1grid.WebForm2"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
    <HEAD>
        <title>WebForm2</title>
        <meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
        <meta content="Visual Basic .NET 7.1" name="CODE_LANGUAGE">
        <meta content="JavaScript" name="vs_defaultClientScript">
        <meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
        <script language="javascript">
function SelectAll()
{
  var e = event.srcElement;
  var inputs = document.forms[0].elements;
  for (var i=0; i < inputs.length; i++)
    if (inputs[i].type == "checkbox" && inputs[i].name.indexOf("chkMyDataGrid") >=0)
    inputs[i].checked = e.checked;
}
        </script>
    </HEAD>
    <body>
        <form id="Form1" runat="server">
            <h3> </h3>
            <asp:datagrid id="MyDataGrid" runat="server" AutoGenerateColumns="False" AllowPaging="True" OnPageIndexChanged="ChangePage"
                PageSize="5">
                <Columns>
                    <asp:BoundColumn DataField="姓名" ReadOnly="True" HeaderText="姓名"></asp:BoundColumn>
                    <asp:BoundColumn DataField="学号" ReadOnly="True" HeaderText="学号"></asp:BoundColumn>
                    <asp:TemplateColumn>
                        <ItemTemplate>
                            <asp:CheckBox id="chkMyDataGrid" runat="server" Text="Test" />
                        </ItemTemplate>
                    </asp:TemplateColumn>
                </Columns>
                <PagerStyle NextPageText="上一页" PrevPageText="下一页"></PagerStyle>
            </asp:datagrid>
            <P><asp:checkbox id="mycheck" onclick="SelectAll()" runat="server" Text="Check/Uncheck all"></asp:checkbox><asp:button id="btn" runat="Server" text="submit"></asp:button></P>
            <P>当前页是：<font color="red"><%=myDataGrid.CurrentPageIndex+1%></font>总页数是：<font color="red"><%=myDataGrid.PageCount%></font></P>
        </form>
    </body>
</HTML>

Private Sub Page_Load()Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        '在此处放置初始化页的用户代码
        If Not IsPostBack Then
            OpenDataBase_And_BindToDataGrid()

        End If
    End Sub

    Private Sub btn_Click()Sub btn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn.Click
        Dim dgi As DataGridItem
        For Each dgi In MyDataGrid.Items
            Dim cb As CheckBox = CType(dgi.FindControl("chkMyDataGrid"), CheckBox)
            If cb.Checked Then
                Response.Write(("deleting " + dgi.Cells(1).Text + "<BR>"))
            End If
        Next dgi

    End Sub

    Sub ChangePage()Sub ChangePage(ByVal sender As Object, ByVal e As DataGridPageChangedEventArgs)
        MyDataGrid.CurrentPageIndex = e.NewPageIndex
        OpenDataBase_And_BindToDataGrid()
    End Sub

    Sub OpenDataBase_And_BindToDataGrid()Sub OpenDataBase_And_BindToDataGrid()
        Dim Conn As OleDbConnection
        Dim Adpt As OleDbDataAdapter
        Dim Ds As DataSet

        Dim Provider = "Provider=Microsoft.Jet.OLEDB.4.0"
        Dim Database = "Data Source=" & Server.MapPath("Sample.mdb")
        Conn = New OleDbConnection(Provider & ";" & Database)
        Conn.Open()

        Dim SQL = "Select * From 成绩单"
        Adpt = New OleDbDataAdapter(SQL, Conn)

        Ds = New DataSet
        Adpt.Fill(Ds, "成绩单")

        MyDataGrid.DataSource = Ds.Tables("成绩单").DefaultView
           Dim bbbb = Ds.Tables("成绩单").DefaultView.Count '总条数
        MyDataGrid.DataBind()

        Conn.Close()
    End Sub

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原文地址：https://www.cnblogs.com/LCX/p/51288.html