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标题: 高手ASP.NET uploading问题？ [打印本页]

作者: new_programmer 时间: 2012-9-4 03:59 PM
标题: 高手ASP.NET uploading问题？
这个是连接  http://www.c-sharpcorner.com/upl ... images-to-database/

After some correction, " p.ProductType = txtName.Text;"  the "p" in Presentation layer still got problems. What is the problem? Thanks!

Presentation Layer

You have to write the code under Button:

protected void Button2_Click(object sender, EventArgs e)
{
      lblMessage.Visible = true;
      p.ProductType = txtName.Text;
      if (FileUpload1.PostedFile != null &&
         FileUpload1.PostedFile.FileName != "")
      {
         byte[] imageSize = new byte
                        [FileUpload1.PostedFile.ContentLength];
         HttpPostedFile uploadedImage = FileUpload1.PostedFile;
         uploadedImage.InputStream.Read
            (imageSize, 0, (int)FileUpload1.PostedFile.ContentLength);
         p.Image = imageSize;
      }

   p.InsertProducts();
      lblMessage.Text = "File Uploaded";
}

Business Access Layer

public void InsertProducts()
{
      SqlParameter[] p=new SqlParameter[2];
      p[0]=new SqlParameter("@ProductType",producttype);
      p[0].DbType=DbType.String;
      p[1]=new SqlParameter("Image",image);
      SqlHelper.ExecuteNonQuery(clsConnection.Connection,

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