将文件从一个地方复制到另一个地方时出错

问题描述

我正在尝试将文件从一个地方复制到另一个地方，这是代码.

i am trying to copy a file from one place to another here is the code.

private void button1_Click(object sender, EventArgs e)
{
    OpenFileDialog openFileDialog2 = new OpenFileDialog();
    openFileDialog2.InitialDirectory = @"C:\";
    openFileDialog2.Title = "Browse Text Files";
    openFileDialog2.CheckFileExists = true;
    openFileDialog2.CheckPathExists = true;

if (openFileDialog2.ShowDialog() == DialogResult.OK)
   {
       textBox2.Text = openFileDialog2.FileName;
   }
string filename,filex;
   filex = openFileDialog2.SafeFileName;

   filename = textBox2.Text;
   string dpath = @"D:\G\"+ filex ;
   File.Copy(filename, dpath );

但这给了我以下错误
文件``D:\ G \ openFileDialog2''已经存在.
请告诉我代码有什么问题.

but it gives me the follwoing error
The file ''D:\G\openFileDialog2'' already exists.
please tell me whats wrong with the code.

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