新しいウィンドウを開き、グリッドビューをフィルタリングする方法

Question

新しいタブまたは新しいウィンドウでPDFファイルを開くためにコーディングに問題があります。次に、私はグリッドビューをフィルタリングする際に問題があります。これは、gridviewがフィルタリングされたときにダウンロードボタンが機能せず、pdfをダウンロードできないためです。ここに私のASPXは

using System; 
using System.Collections; 
using System.Configuration; 
using System.Data; 
using System.Linq; 
using System.Web; 
using System.Web.Security; 
using System.Web.UI; 
using System.Web.UI.WebControls; 
using System.Web.UI.WebControls.WebParts; 
using System.Web.UI.HtmlControls; 
using System.Xml.Linq; 
using System.IO; 
using System.Threading; 
using System.Net; 
using System.Xml; 

namespace Hibah_Total_v1._2.Secure 
{ 
public partial class ViewDocument : System.Web.UI.Page 
{ 
    protected void Page_Load(object sender, EventArgs e) 
    { 
     if (!Page.IsPostBack) 
     { 
      MultiView1.Visible = false; 
     } 
    } 


    protected void Button1_Click(object sender, EventArgs e) 
    { 
     MultiView1.Visible = true; 
     MultiView1.SetActiveView(DocView); 
     string folderName = ConfigurationManager.AppSettings["folderPDF"].ToString(); 
     string path = Server.MapPath("~") + "/Secure/"; 
     string fullPath = path + folderName; 
     string[] filePaths = Directory.GetFiles(fullPath, "*.pdf"); 
     DataTable table = GetTable(filePaths); 

     GridView1.Columns[0].Visible = true; 
     GridView1.DataSource = table; 
     GridView1.DataBind(); 
     GridView1.Columns[0].Visible = false; 

    } 


    public DataTable GetTable(string[] filePaths) 
    { 
     DataTable table = new DataTable(); 
     table.Columns.Add("folderName", typeof(string)); 
     table.Columns.Add("fileName", typeof(string)); 
     table.Columns.Add("Date", typeof(string)); 

     DataRow row; 
     { 
      for (int i = 0; i < filePaths.Length; i++) 
      { 
       row = table.NewRow(); 


       row["folderName"] = filePaths[i]; 
       FileInfo Myfile = new FileInfo(filePaths[i]); 
       row["fileName"] = Myfile.Name.ToString(); 
       row["Date"] = Myfile.CreationTime.ToString(); 

       table.Rows.Add(row); 

      } 
     } 


     Session["Table"] = table; 

     this.GridView1.DataSource = ((DataTable)Session["Table"]).DefaultView; 
     this.GridView1.DataBind(); 

     return table; 

    } 





    public void ActionCommand(object sender, GridViewCommandEventArgs e) 
    { 
     string commandName = e.CommandName.ToString().Trim(); 
     GridViewRow row = GridView1.Rows[Convert.ToInt32(e.CommandArgument)]; 
     string folderName = ConfigurationManager.AppSettings["folderPDF"].ToString(); 
     string path = Server.MapPath("~") + "/Secure/"; 
     string fullPath = path + folderName; 
     string[] filePaths = Directory.GetFiles(fullPath, "*.pdf");    
      switch (commandName) 
      { 
       case "Open": 

        ScriptManager.RegisterStartupScript(Page, typeof(Page), "OpenWindow", "window.open('OpenForm.aspx?path=" + row.Cells[0].Text + "');", true); 
        break; 
       case "Download": 

        FileStream fs = new FileStream(row.Cells[0].Text, FileMode.Open, FileAccess.Read); 
        byte[] ar = new byte[(int)fs.Length]; 
        fs.Read(ar, 0, (int)fs.Length); 
        fs.Close(); 

        Response.AddHeader("content-disposition", "attachment;fileName=" + HttpUtility.UrlEncode(row.Cells[1].Text, System.Text.Encoding.UTF8)); 
        Response.ContentType = "application/octectstream"; 
        Response.BinaryWrite(ar); 
        Response.End(); 
        break; 
       default: break; 
      } 

    } 


    protected void Button2_Command(object sender, EventArgs e) 
    { 
     string folderName = ConfigurationManager.AppSettings["folderPDF"].ToString(); 
     string path = Server.MapPath("~") + "/Secure/"; 
     string fullPath = path + folderName; 
     string[] filePaths = Directory.GetFiles(fullPath, "*.pdf"); 

     if (DocSearch.Text.ToString().Trim() != "") 
     { 
      DataTable dt = (DataTable)Session["Table"]; 
      var query = from t in dt.AsEnumerable() where t.Field<string>("folderName").StartsWith(DocSearch.Text.ToString().Trim()) || t.Field<string>("folderName").Contains(DocSearch.Text.ToString().Trim()) select t; 

      DataTable dtable = new DataTable(); 
      dtable = query.CopyToDataTable(); 
      this.GridView1.DataSource = dtable; 
      this.GridView1.DataBind(); 

     } 
     else 
     { 
      this.GridView1.DataSource = ((DataTable)Session["table"]).DefaultView; 
      this.GridView1.DataBind(); 
     } 

    } 



    } 
} 

は、誰も私がそれを把握することができます

コーディング

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ViewDocument.aspx.cs" Title="Untitled Page" %> 

    <asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server"> 
    </asp:Content> 
    <asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server"> 
<center> 
    <br /> 
    <br /> 
    <asp:Label ID="Label1" runat="server" CssClass="title" Text="DOCUMENT LIST"></asp:Label> 
    <br /> 
    <br /> 
    <br /> 
    <table> 
     <tr> 
      <td style="text-align: center; padding-left: 25px; padding-right: 25px"> 
      </td> 
      <td style="text-align: center"> 
       <asp:Button ID="Button1" runat="server" CssClass="button" Text="Contract(Test)" OnClick="Button1_Click" /> 
      </td> 
      <td style="text-align: center; padding-left: 25px; padding-right: 25px"> 
      </td> 
     </tr> 
    </table> 
    <br /> 
    <br /> 
</center> 
<asp:MultiView ID="MultiView1" runat="server"> 
    <asp:View ID="DocView" runat="server"> 
     <center> 
      <br /> 
      <br /> 
      <table> 
       <tr> 
        <td style="text-align: center; padding-left: 10px; padding-right: 15px"> 
         <asp:Label ID="Label2" runat="server" Text="Search By :"></asp:Label> 
        </td> 
        <%-- <td style="text-align: center; padding-left: 5px; padding-right: 5px"> 
         <asp:DropDownList ID="DropDownList1" runat="server" CssClass="dropDownMenu"> 
          <asp:ListItem Value="Document Name"></asp:ListItem> 
          <asp:ListItem Value="Date"></asp:ListItem> 
         </asp:DropDownList> 
        </td>--%> 
        <td style="padding-left: 5px; padding-right: 5px"> 
         <asp:TextBox ID="DocSearch" runat="server" CssClass="text-input" Width="200px" MaxLength="100" 
          Font-Names="verdana"></asp:TextBox> 
        </td> 
        <td> 
         <asp:Button ID="Button2" runat="server" CssClass="button" Text="Search" OnCommand="Button2_Command" /> 
        </td> 
       </tr> 
      </table> 
      <br /> 
      <br /> 
      <br /> 
      <asp:GridView ID="GridView1" runat="server" BackColor="White" BorderStyle="Solid" 
       BorderColor="#ccc" BorderWidth="2px" GridLines="Horizontal" Width="650px" AutoGenerateColumns="false" 
       CellPadding="3" OnRowCommand="ActionCommand" AllowSorting="true"> 
       <RowStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" /> 
       <Columns> 
       <asp:BoundField DataField="folderName"> 
         <ItemStyle CssClass="leftAligment" /> 
        </asp:BoundField> 
        <asp:BoundField DataField="fileName" HeaderText="DOCUMENT NAME"> 
         <ItemStyle CssClass="leftAligment" /> 
        </asp:BoundField> 
        <asp:BoundField DataField="Date" HeaderText="DATE/TIME"> 
         <ItemStyle CssClass="centerAlign" /> 
        </asp:BoundField> 
        <asp:ButtonField CommandName="Open" Text="Open" ButtonType="Link" /> 
        <asp:ButtonField CommandName="Download" Text="Download" /> 
       </Columns> 
       <FooterStyle BackColor="#B5C7DE" ForeColor="#4A3C8C" /> 
       <PagerStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" HorizontalAlign="Right" /> 
       <SelectedRowStyle BackColor="#738A9C" Font-Bold="True" ForeColor="#F7F7F7" /> 
       <HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#F7F7F7" /> 
       <AlternatingRowStyle BackColor="#F7F7F7" /> 
      </asp:GridView> 
     </center> 
     <br /> 
     <br /> 
     <br /> 
    </asp:View> 
</asp:MultiView> 

私のaspx.cs

をコード化されました？

Answer 1

 private static void CreateCommand(string queryString, 
    string connectionString) 
{ 
    using (SqlConnection connection = new SqlConnection(
       connectionString)) 
    { 
     SqlCommand command = new SqlCommand(queryString, connection); 
     command.Connection.Open(); 
     command.ExecuteNonQuery(); 
    } 
}