原文地址：http://www.cnblogs.com/right_forever/archive/2011/05/31/2064257.html
private void btnUpLoad_Click(object sender, EventArgs e)
{
DialogResult dr = openFileDialog1.ShowDialog();
if (dr == DialogResult.OK)
{
image = openFileDialog1.FileName;
picpath = openFileDialog1.FileName;
t = 1;
pictureBox1.Image = Image.FromFile(image);
File.Copy(openFileDialog1.FileName, Application.StartupPath + "\\Image\\" + id + ".jpg");
}
}
private void btnBrowse_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialogTemp = new OpenFileDialog();
DialogResult dr = openFileDialogTemp.ShowDialog();
if (dr == DialogResult.OK)
{
string image = openFileDialogTemp.FileName;
string picpath = openFileDialogTemp.FileName;
pictureBox1.Image = Image.FromFile(image);
this.txtPath.Text = image;
}
}
private void btnUpload_Click(object sender, EventArgs e)
{
if (!Directory.Exists(AppDomain.CurrentDomain.BaseDirectory + @"Temp\"))
{
Directory.CreateDirectory(AppDomain.CurrentDomain.BaseDirectory + @"Temp\");
}
string tempFileName = AppDomain.CurrentDomain.BaseDirectory + @"Temp\" + Guid.NewGuid().ToString() + ".jpg";
File.Copy(this.txtPath.Text, tempFileName);
FileHelper.UploadFile(tempFileName);
File.Delete(tempFileName);
}