选择文件获取地址

private void button1_Click(object sender, EventArgs
e)
       
{
           
//OpenFileDialog dlg = new OpenFileDialog();

OpenFileDialog fileDialog1 = new
OpenFileDialog();
           
fileDialog1.InitialDirectory =
"d:\\";//初始目录
           
fileDialog1.Filter = "Text Files (.txt)|*.txt|All Files
(*.*)|*.*";//文件的类型
           
fileDialog1.FilterIndex =
1;
           
fileDialog1.RestoreDirectory =
true;
            if
(fileDialog1.ShowDialog() ==
DialogResult.OK)
           
{
               
textBox1.Text =
fileDialog1.FileName;
           
}
           
else
           
{
               
textBox1.Text =
"";
            }

}