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ASP.NET中上传文件到数据库
作者:武汉SEO闵涛  文章来源:敏韬网  点击数1868  更新时间:2009/4/23 10:41:37  文章录入:mintao  责任编辑:mintao
false, ((System.Byte)(0)), ((System.Byte)(0)), "DocTitle", System.Data.DataRowVersion.Original, null));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_DocType", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "DocType", System.Data.DataRowVersion.Original, null));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Entrydate", System.Data.SqlDbType.DateTime, 8, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Entrydate", System.Data.DataRowVersion.Original, null));
   this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@DocID", System.Data.SqlDbType.Int, 4, "DocID"));
   //
   // sqlDeleteCommand1
   //
   this.sqlDeleteCommand1.CommandText = "[NewDeleteCommand]";
   this.sqlDeleteCommand1.CommandType = System.Data.CommandType.StoredProcedure;
   this.sqlDeleteCommand1.Connection = this.sqlConnection1;
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@RETURN_VALUE", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.ReturnValue, false, ((System.Byte)(0)), ((System.Byte)(0)), "", System.Data.DataRowVersion.Current, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_DocID", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "DocID", System.Data.DataRowVersion.Original, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_DocTitle", System.Data.SqlDbType.VarChar, 200, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "DocTitle", System.Data.DataRowVersion.Original, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_DocType", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "DocType", System.Data.DataRowVersion.Original, null));
   this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Entrydate", System.Data.SqlDbType.DateTime, 8, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Entrydate", System.Data.DataRowVersion.Original, null));
   this.Load += new System.EventHandler(this.Page_Load);

  }
  #endregion

  private void Button1_Click(object sender, System.EventArgs e)
  {
   //if(ftpfiles.PostedFile!=null)
   //{
   // try
   // {
   //  ftpfiles.PostedFile.SaveAs("c:\\"+TextBoxFileName.Text);
   //  LabelStat.Text="上传文件成功!";
   // }
   // catch(Exception exc)
   // {
   //  LabelStat.Text="上传过程中出错!"+exc.ToString();
   // }
   //}
   string s;
   
   string strDocExt;

   //strDocType用于保存上传文件的类型

   string strDocType;


   //用于保存文件大小

   int intDocLen;


   //Stream用于读取上传数据

   Stream objStream;


   SqlConnection BooksConn;

   SqlCommand cmdUploadDoc;


   if(IsValid)

   {

    if(ftpfiles.PostedFile != null)

    {

     //文件类型
     

     strDocExt = ftpfiles.PostedFile.FileName.ToLower();

     switch(strDocExt)

     {

      case ".doc":

       strDocType = "doc";

       break;


      case ".ppt":

       strDocType = "ppt";

       break;


      case ".htm":

       strDocType = "htm";

       break;


      case ".html":

       strDocType = "htm";

       break;


      case ".jpg":

       strDocType = "jpg";

       break;


      case ".gif":

       strDocType = "gif";

       break;


      default:

       strDocType = "txt";

       break;

     }

     //上传文件具体内容


     intDocLen = ftpfiles.PostedFile.ContentLength;

     byte[] Docbuffer = new byte[intDocLen];


     objStream = ftpfiles.PostedFile.InputStream;


     //文件保存到缓存

     //缓存将保存到数据库

     objStream.Read(Docbuffer ,0,intDocLen);


     BooksConn = new

      SqlConnection("Server =dayang-c;Integrated Security=SSPI;Database=mydb");   
      


     cmdUploadDoc = new

      SqlCommand("uSP_BooksUploadFile",BooksConn);

     cmdUploadDoc.CommandType = CommandType.StoredProcedure;

     cmdUploadDoc.Parameters.Add("@Title ",SqlDbType.VarChar,200);

     cmdUploadDoc.Parameters.Add("@Doc",SqlDbType.Image);

     cmdUploadDoc.Parameters.Add("@DocType",SqlDbType.VarChar,4);

     cmdUploadDoc.Parameters[0].Value = TextBoxFileName.Text;

     cmdUploadDoc.Parameters[1].Value = Docbuffer ;

     cmdUploadDoc.Parameters[2].Value = strDocType;


     BooksConn.Open();

     cmdUploadDoc.ExecuteNonQuery();

     BooksConn.Close();
    }
   }
   LabelStat.Text="上传文件成功!";
    
  }
 }

}

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