使用上一页获取 GridView 所选行值

本文关键字：GridView 获取 一页 | 更新日期: 2023-09-27 18:35:56

我在消费者列表页面中有一个网格视图。单击"编辑"按钮（在每一行中）时，将导航到"编辑消费者"页面。在 EditConsumer 页面中，我需要使用 Page.PreviousPage 获取所选行的值。如何获取这些值？

    public void Consumer_RowCommand(Object sender, GridViewCommandEventArgs e)
    {
        if (e.CommandName == "CustomEdit")
        {
            int rowIndex = Convert.ToInt32(e.CommandArgument);
            string consumerID = grdConsumers.Rows[rowIndex].Cells[1].Text;
            string consumerName = grdConsumers.Rows[rowIndex].Cells[2].Text;
            string consumerUrl = grdConsumers.Rows[rowIndex].Cells[3].Text;
            string consumerStatus = grdConsumers.Rows[rowIndex].Cells[4].Text;
            Response.Redirect("EditConsumer.aspx?RowIndex=" + rowIndex);
        }
    }

标记

  <asp:GridView ID="grdConsumers" runat="server" AutoGenerateColumns="False" CssClass="resultGridTable"
                GridLines="None" EnableViewState="True" AllowSorting="True" OnSorting="Consumers_Sorting" OnRowCommand="Consumer_RowCommand">
                <AlternatingRowStyle BackColor="#E5E5E5" />
                <Columns>
                   <asp:TemplateField HeaderText="Action">
                        <ItemTemplate>
                             <asp:Button ID="btnView" runat="server" CssClass="actionButtonView"
                                  Text="VIEW" Style="width: 40px" BackColor="Orange"
                                  Font-Bold="True" ForeColor="White" /> 
                             <asp:Button ID="btnEdit" runat="server" CommandName="CustomEdit" CommandArgument="<%# ((GridViewRow)Container).RowIndex %>"
                              CssClass="actionButtonEdit"
                                  Text="EDIT" Style="width: 35px" BackColor="Orange"
                                  Font-Bold="True" ForeColor="White" /> 
                             <asp:Button ID="btnDelete" runat="server" CssClass="actionButtonDelete"
                                  Text="DELETE" Style="width: 55px" BackColor="Orange"
                                  Font-Bold="True" ForeColor="White" />
                             <asp:Button ID="btnPing" runat="server" CssClass="actionButtonPing"
                                  Text="PING" Style="width: 35px" BackColor="Orange"
                                  Font-Bold="True" ForeColor="White" />
                         </ItemTemplate>
                    </asp:TemplateField>
                    <asp:BoundField HeaderText="Consumer ID" DataField="ConsumerID" SortExpression="ConsumerID"></asp:BoundField>
                    <asp:BoundField HeaderText="Consumer Name" DataField="ConsumerName" SortExpression="ConsumerName"></asp:BoundField>
                    <asp:BoundField HeaderText="Consumer URL" DataField="ConsumerURL" SortExpression="ConsumerURL"></asp:BoundField>
                    <asp:BoundField HeaderText="Status" DataField="Status" SortExpression="Status"></asp:BoundField>

                </Columns>
            </asp:GridView>

使用上一页获取 GridView 所选行值

注意：PreviousPage仅!= null跨页发布，则 Response.Redirect 将不起作用。因此，例如您可以使用 Server.Transfer .

您可以提供一个公共属性SelectedConsumer，该属性返回GridView中当前选择的行的自定义对象。

public Consumer SelectedConsumer
{
    get {
        if (grdConsumers.SelectedRow == null)
            return null;
        var c = new Consumer();
        c.consumerID = grdConsumers.SelectedRow.Cells[1].Text;
        c.consumerName = grdConsumers.SelectedRow.Cells[2].Text;
        c.consumerUrl = grdConsumers.SelectedRow.Cells[3].Text;
        c.consumerStatus = grdConsumers.SelectedRow.Cells[4].Text;
        return c;
    }
}

现在，您只需将 PreviousPage 属性强制转换为正确的页面类型：

var consumerList = (ConsumerList)Page.PreviousPage;
var selectedConsumer = consumerList.SelectedConsumer;

检查如何使用 Page.PreviousPage。

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