private void tbFileName_TextChanged(object sender, EventArgs e) { ex = new excelOperator(tbFileName.Text); ex.loadTableName(cbSheet); if (cbSheet.Items.Count > 0) { cbSheet.SelectedIndex = 0; } }
private void button1_Click(object sender, EventArgs e) { OpenFileDialog dlg = new OpenFileDialog(); dlg.Filter = "(*.xls)|*.xls"; dlg.ShowDialog(); if (dlg.FileName == "") { MessageBox.Show("请选择文件"); return; } ex = new excelOperator(dlg.FileName); tbFileName.Text = dlg.FileName; ex.loadTableName(cbSheet); }