DataSet、Excel、XML之间的导入导出

class ImportExportToExcel
{
public class ImportExportToExcel
{
private string strConn;
private System.Windows.Forms.OpenFileDialog openFileDlg = new System.Windows.Forms.OpenFileDialog();
private System.Windows.Forms.SaveFileDialog saveFileDlg = new System.Windows.Forms.SaveFileDialog();
public ImportExportToExcel()
{
//
// TODO: 在此处添加构造函数逻辑
//
this.openFileDlg.DefaultExt = "xls";
this.openFileDlg.Filter = "Excel文件 (*.xls)|*.xls";
this.saveFileDlg.DefaultExt = "xls";
this.saveFileDlg.Filter = "Excel文件 (*.xls)|*.xls";
}
#region 从Excel文件导入到DataSet
/**/
/// <summary>
/// 从选择的Excel文件导入
/// </summary>
/// <returns>DataSet</returns>
public DataSet ImportfromExcel()
{
DataSet ds = new DataSet();
if (openFileDlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
ds = doImport(openFileDlg.FileName);
return ds;
}
/**/
/// <summary>
/// 从指定的Excel文件导入
/// </summary>
/// <param name="strFileName">Excel文件名</param>
/// <returns></returns>
public DataSet ImportfromExcel(string strFileName)
{
DataSet ds = new DataSet();
ds = doImport(strFileName);
return ds;
}
/**/
/// <summary>
/// 执行导入
/// </summary>
/// <param name="strFileName">文件名</param>
/// <returns>