Asp.net 如何循环浏览所有页面中gridview的所有行？

我使用的是vb.net，我有一个gridview，它包含四列，其中包括作为Itemtemplate字段的Textbox。此gridview包含学生信息，文本框是学生每天的出勤状态。因此，要求将gridview中所有文本框中的输入作为每个学生出勤率的输入。在这里，分页是启用的，因为数字或学生有时可能超过80。但问题是，当我在gridview行中循环以获取文本框输入时，它只获取第一页的值，其余的都保留了。我真的需要帮助。感谢您的帮助

//Get Current Page Index so You can get back here after commands
                int a = GridView1.PageIndex;
    //Loop through All Pages
                for (int i = 0; i < GridView1.PageCount; i++)
                {
    //Set Page Index
                    GridView1.SetPageIndex(i);
    //After Setting Page Index Loop through its Rows
                    foreach (GridViewRow row in GridView1.Rows)
                    {
                        //Do Your Commands Here
                    }
                }
    //Getting Back to the First State
                GridView1.SetPageIndex(a);

这是GridView代码：

 <asp:GridView ID="GridView1" runat="server" AllowPaging="True" 
        AutoGenerateColumns="False" BorderColor="Black" BorderStyle="Solid" 
        CellPadding="4" Font-Bold="True" Font-Size="Small" ForeColor="#333333" 
        OnPageIndexChanging="GridView1_PageIndexChanging" PageSize="20">
        <Columns>
            <asp:TemplateField HeaderText="No.">
                <ItemTemplate>
                    <%# Container.DataItemIndex + 1 %>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:BoundField DataField="crkod" HeaderText="Student ID" />
            <asp:BoundField DataField="crnama" HeaderText="Student Name" />
            <asp:TemplateField HeaderText="Attendance Status" 
                ItemStyle-HorizontalAlign="Center">
                <ItemTemplate>
                    <asp:TextBox ID="txtAttend" runat="server" BackColor="Control" MaxLength="1" 
                        Width="12px"></asp:TextBox>
                </ItemTemplate>
                <ItemStyle HorizontalAlign="Center" />
            </asp:TemplateField>
        </Columns>
        <FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
        <HeaderStyle Font-Bold="True" />
    </asp:GridView>

//Get Current Page Index so You can get back here after commands
                int a = GridView1.PageIndex;
    //Loop through All Pages
                for (int i = 0; i < GridView1.PageCount; i++)
                {
    //Set Page Index
                    GridView1.SetPageIndex(i);
    //After Setting Page Index Loop through its Rows
                    foreach (GridViewRow row in GridView1.Rows)
                    {
                        //Do Your Commands Here
                    }
                }
    //Getting Back to the First State
                GridView1.SetPageIndex(a);

提前感谢。

您永远不应该尝试直接使用网格中的数据（好的，几乎永远不应该）。您应该使用绑定到网格的数据。这是您在页面加载或某些数据绑定事件中设置为

GridView1.Datasource=？

的内容

//Get Current Page Index so You can get back here after commands
                int a = GridView1.PageIndex;
    //Loop through All Pages
                for (int i = 0; i < GridView1.PageCount; i++)
                {
    //Set Page Index
                    GridView1.SetPageIndex(i);
    //After Setting Page Index Loop through its Rows
                    foreach (GridViewRow row in GridView1.Rows)
                    {
                        //Do Your Commands Here
                    }
                }
    //Getting Back to the First State
                GridView1.SetPageIndex(a);

假设这是一个数据表，您可能希望执行以下操作：

For each dr as datarow in ctype(GridView1.Datasource,DataTable).Rows
  attendSts = dr("Attend")
  studntID = dr("studntID")
  ..Your insert code here
Next

//Get Current Page Index so You can get back here after commands
                int a = GridView1.PageIndex;
    //Loop through All Pages
                for (int i = 0; i < GridView1.PageCount; i++)
                {
    //Set Page Index
                    GridView1.SetPageIndex(i);
    //After Setting Page Index Loop through its Rows
                    foreach (GridViewRow row in GridView1.Rows)
                    {
                        //Do Your Commands Here
                    }
                }
    //Getting Back to the First State
                GridView1.SetPageIndex(a);

---

您可以使用下面的命令，我正在项目中使用这些命令。它的逻辑很简单，你浏览所有的页面，在每一页你浏览所有的行。您还可以在执行此操作之前获取当前页面，并在循环所有内容之后返回该页面；）

//Get Current Page Index so You can get back here after commands
                int a = GridView1.PageIndex;
    //Loop through All Pages
                for (int i = 0; i < GridView1.PageCount; i++)
                {
    //Set Page Index
                    GridView1.SetPageIndex(i);
    //After Setting Page Index Loop through its Rows
                    foreach (GridViewRow row in GridView1.Rows)
                    {
                        //Do Your Commands Here
                    }
                }
    //Getting Back to the First State
                GridView1.SetPageIndex(a);

//获取当前页面索引，以便在执行命令后返回此处
int a=GridView1.PageIndex；
//循环浏览所有页面
对于（int i=0；i

尝试在每个页面循环后绑定gridview谢谢您的回复。我试过你的建议，但还是一样。还有其他想法吗？非常感谢你的回答。但是你能不能让我更清楚一点，我如何在网格内的模板字段文本框中获得用户输入。我在这方面很新，所以我真的需要帮助。非常感谢。