摘要：public bool ExportFile(System.Data.DataTable dt){ SaveFileDialog sfd = new SaveFileDialog(); sfd.Filter = "Excel文件(*.xls)|*.xls|所有文件(*.*)|*.*"; sfd.Title = "Excel文件导出"; string fileName = ""; if (sfd.ShowDialog() == DialogResult.OK) { fileName = sfd.FileName; Excel.Appli 阅读全文

摘要：private void button2_Click(object sender, EventArgs e){ string file = ""; OpenFileDialog openFileDialog = new OpenFileDialog(); openFileDialog.InitialDirectory = "c:\\";//注意这里写路径时要用c:\\而不是c:\ openFileDialog.Filter = "Html|*.html|Mht|*.mht|htm|*.htm"; openFileDialog.Rest 阅读全文

摘要：--存储数据：List<string> keyList = new List<string> { "a", "b", "c" };foreach (string key in keyList){ AppDomain.CurrentDomain.SetData(key, key + key);}--取数据foreach (string key in keyList){ object obj = AppDomain.CurrentDomain.GetData(key); Console.WriteLine(obj. 阅读全文