protected void btnDelete_Click(object sender, EventArgs e)
{
var btnModify = (sender as ASPxButton);
int index = Convert.ToInt32(btnModify.CommandArgument);
GVCourseInfo.DeleteRow(index);
GVCourseInfo.DataBind();
Response.Write("<script>alert('课程删除成功！')</script>");
}
protected void btnSave_Click(object sender, EventArgs e)
{
GVCourseInfo.UpdateEdit();
GVCourseInfo.DataBind();
Response.Write("<script>alert('课程编辑成功！')</script>");
}