protected void Button2_Click1(object sender, EventArgs e)
{
BaseData.CheckClassID();
if (FileUpload2.HasFile == false || FileUpload2.PostedFile.ContentLength == 0)
return;
string fname = SaveFileToTemp(FileUpload2,"classes.xls");
BaseData b=new BaseData();
if (b.InsertClasssByExcleFile(fname) == false)
Response.Write("导入失败，请确认格式正确，可参考页面右边样本文件");
else this.ClientScript.RegisterStartupScript(this.GetType(), "Hint", "<script>alert('成功导入数据')</script>");
}