Question

我目前正在从事一个项目，我想在两个Web表单之间传输数据（多个客户->将一个人的ID传输到另一个表单并显示其产品）。我对此有疑问，我的客户记录了

[弃用]不赞成在主线程上使用同步XMLHttpRequest，因为它对最终用户的体验有不利影响

这是我的代码.aspx：

    <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="editClient.aspx.cs" Async="true" EnableEventValidation="false" Inherits="MarkUp.editClient" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>DETALII CLIENT</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
         <div class="table-responsive">
            <asp:GridView runat="server" ID="gridProduse" HeaderStyle-BorderStyle="None" HeaderStyle-BackColor="#3366ff" HeaderStyle-ForeColor="White" AllowPaging="true" AutoGenerateColumns="true" AllowSorting="true" OnSorting="TaskGridView_Sorting" PagerSettings-Mode="NextPreviousFirstLast">
                <Columns>
                    <asp:TemplateField HeaderText="Denumire Produs" SortExpression="NumeProdus" HeaderStyle-Width="150px">
                        <ItemTemplate>
                            <asp:HiddenField runat="server" ID="hidProdus" Value='<%#DataBinder.Eval(Container.DataItem,"ID_Produs") %>' />
                            <asp:Label runat="server" ID="lbNumeProdus" Text='<%#DataBinder.Eval(Container.DataItem,"NumeProdus") %>'></asp:Label>
                        </ItemTemplate>
                    </asp:TemplateField>

                    <asp:TemplateField HeaderText="Detalii" SortExpression="Detalii">
                        <ItemTemplate>
                            <asp:Label runat="server" ID="lbDetalii" Text='<%#DataBinder.Eval(Container.DataItem,"Detalii") %>'></asp:Label>
                        </ItemTemplate>
                    </asp:TemplateField>

                    <asp:TemplateField HeaderText="Nr. Bucati" SortExpression="Nr_Bucati">
                        <ItemTemplate>
                        <asp:Label runat="server" ID="lbNrBucati" Text='<%#DataBinder.Eval(Container.DataItem,"Nr_Bucati") %>'></asp:Label>
                        </ItemTemplate>
                    </asp:TemplateField>

                    <asp:TemplateField HeaderText="Data">
                        <ItemTemplate>
                        <asp:Label runat="server" ID="lbData" Text='<%#DataBinder.Eval(Container.DataItem,"DataIntrareClient") %>'></asp:Label>
                        </ItemTemplate>
                    </asp:TemplateField>
                </Columns>
            </asp:GridView>
            </div>
    </div>
    </form>
</body>
</html>

.aspx.cs：

public partial class editClient : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        MySqlConnection con = new MySqlConnection("Server=127.0.0.1;Database=markup;Port=3306;Uid=root;Pwd=;");
        MySqlCommand com = new MySqlCommand("select * from clienti_produse where ID_Client=@idclient", con);
        com.Parameters.AddWithValue("@idclient",Request.QueryString["idClient]"]);
        String s = Request.QueryString["idClient"];
        MySqlDataAdapter da = new MySqlDataAdapter();
        da.SelectCommand = com;
        DataTable dt = new DataTable();
        con.Open();
        da.Fill(dt);
        gridProduse.DataSource = dt;
        gridProduse.DataBind();
        con.Close();

        if (!IsPostBack)
        {
            gridProduse.DataBind();
        }
    }

    protected void TaskGridView_Sorting(object sender, GridViewSortEventArgs e)
    {

        //Retrieve the table from the session object.

        DataTable tCxC = (DataTable)gridProduse.DataSource;


        if (tCxC != null)
        {

            //Sort the data.
            tCxC.DefaultView.Sort = e.SortExpression + " " + GetSortDirection(e.SortExpression);
            gridProduse.DataSource = tCxC;
            gridProduse.DataBind();
        }

    }

    private string GetSortDirection(string column)
    {

        string sortDirection = "ASC";

        string sortExpression = ViewState["SortExpression"] as string;

        if (sortExpression != null)
        {

            if (sortExpression == column)
            {
                string lastDirection = ViewState["SortDirection"] as string;
                if ((lastDirection != null) && (lastDirection == "ASC"))
                {
                    sortDirection = "DESC";
                }
            }
        }

        ViewState["SortDirection"] = sortDirection;
        ViewState["SortExpression"] = column;

        return sortDirection;
    }
}

我的请求链接如下：http://localhost:8057/editClient?idClient=34

在此先感谢您的帮助，非常感谢。

ASP.NET [不推荐使用]同步XMLHttpRequest

0 个答案: