[英]Open Excel File using OpenFileDialog in C# Windows Form
我可以選擇一個Excel文件,但是單擊“打開”后,excel文件不會出現。 我該怎么辦? 我還是OpenFileDialog的新手,如果任何人都可以告訴我在單擊“打開”后應該添加什么使excel文件出現,那將很好。
從http://www.c-sharpcorner.com/uploadfile/mahesh/openfiledialog-in-c-sharp/修改
這是我的代碼:
private void BrowseButton_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.InitialDirectory = @"C:\";
openFileDialog1.Title = "Browse Text Files";
openFileDialog1.CheckFileExists = true;
openFileDialog1.CheckPathExists = true;
openFileDialog1.DefaultExt = "txt";
openFileDialog1.Filter = "Text files (*.txt)|*.txt|All files (*.*)|*.*";
openFileDialog1.FilterIndex = 2;
openFileDialog1.RestoreDirectory = true;
openFileDialog1.ReadOnlyChecked = true;
openFileDialog1.ShowReadOnly = true;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
string file = openFileDialog1.FileName;
try
{
string text = File.ReadAllText(file);
int size = text.Length;
}
catch (IOException)
{
}
}
}
public bool ThumbnailCallback()
{
return false;
}
private void openFileDialog1_FileOk(object sender, CancelEventArgs e)
{
}
單擊“打開”后,僅顯示文件名,而不顯示excel文件-https: //i.stack.imgur.com/GXToy.jpg
如果只想使用與*.xlsx
文件關聯的默認應用程序打開Excel文件(安裝時通常是MS Excel),則可以簡單地使用Process.Start(string)
方法 。 在您的情況下,它可能看起來像這樣:
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
Process.Start(openFileDialog1.FileName);
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.