ASP.NET 直接导入CSV文件到DATASET

转：http://space.itpub.net/28861/viewspace-235726
aspx:
 <asp:GridView ID="dgData" runat="server" AutoGenerateColumns="True" CellPadding="4"
                                        ForeColor="Black" GridLines="Vertical" BackColor="White" BorderColor="#DEDFDE"
                                        BorderStyle="None" BorderWidth="1px" Width="80%"
                                         Font-Names="Arial" Font-Size="8pt" Visible=false ShowHeader="false">
                                   
                                        <FooterStyle BackColor="#E6EAF7" />
                                        <RowStyle BackColor="#E6EAF7" />
                                        <SelectedRowStyle BackColor="#CE5D5A" Font-Bold="True" ForeColor="White" />
                                        <PagerStyle BackColor="#F7F7DE" ForeColor="Black" HorizontalAlign="Right" />
                                        <HeaderStyle BackColor="LemonChiffon" Font-Bold="True" ForeColor="#666699" HorizontalAlign="Left" BorderColor="DeepSkyBlue" />
                                        <AlternatingRowStyle BackColor="White" />
                                        <PagerSettings Visible="False" />
                                    </asp:GridView>

cs:
private void ImportCSVToDS()
  {
   int    intColCount   =   0; 
   bool   blnFlag   =   true; 
   DataTable   mydt   =   new   DataTable("myTableName"); 
 
   DataColumn   mydc; 
   DataRow   mydr; 
 
   string   strpath   =   "D://ManifestItems20080409.txt";
 //string strpath = Server.MapPath("test" + "/" + a.csv); 
   string   strline; 
   string   []   aryline;             
 
   System.IO.StreamReader   mysr   =   new   System.IO.StreamReader(strpath); 
 
   while((strline   =   mysr.ReadLine())   !=   null) 
   {                
    aryline   =   strline.Split(','); 

 
    if   (blnFlag) 
    { 
     blnFlag   =   false; 
     intColCount   =   aryline.Length; 
     for   (int   i   =   0;   i   <   aryline.Length;   i++) 
     { 
      mydc   =   new   DataColumn(aryline[i]); 
      mydc.ColumnName=i.ToString();
      mydt.Columns.Add(mydc); 
     }                     
    }                 
 
    mydr   =   mydt.NewRow(); 
    for   (int   i   =   0;   i   <   intColCount;   i++) 
    { 
     mydr[i]   =   aryline[i];         
    } 
    mydt.Rows.Add(mydr); 
   }

   dgData.DataSource =mydt;
   dgData.DataBind();
  }