要求：查询数据库并构建数据网格和图表并通过电子邮件发送此报告/信息的自动化过程。
问题：我可以使用嵌入式图像（图表）或数据网格构建报告，而不是一起构建。如何在电子邮件中同时获取图表和数据网格？
代码：
MailMessage m = new MailMessage();
SmtpClient smtp = new SmtpClient("smtpservername", 25);
m.From = new System.Net.Mail.MailAddress("vananthraman@abcd.com");
m.To.Add("vananthraman@abcd.com");
m.Subject = "This is a test";
AlternateView plainView = AlternateView.CreateAlternateViewFromString("This is my plain text content, viewable by those clients that don't support html", null, "text/plain");
AlternateView htmlView = AlternateView.CreateAlternateViewFromString("<img src=cid:companylogo>", null, "text/html");
System.Net.Mail.LinkedResource logo = new System.Net.Mail.LinkedResource(path);
logo.ContentId = "companylogo";
htmlView.LinkedResources.Add(logo);
m.AlternateViews.Add(plainView);
m.AlternateViews.Add(htmlView);
//some_query is defined here
using (SqlCommand cmd = new SqlCommand(some_query, connection))
{
GridView gvwBmonitor = new GridView();
SqlDataReader reader = cmd.ExecuteReader();
gvwBmonitor.DataSource = reader;
gvwBmonitor.DataBind();
m.IsBodyHtml = true;
StringBuilder sb = new StringBuilder();
HtmlTextWriter hw = new HtmlTextWriter(new StringWriter(sb));
gvwBookingmonitor.RenderControl(hw);
m.Body = m.Body + sb.ToString();
AlternateView htmlView2 = AlternateView.CreateAlternateViewFromString(sb.ToString(), null, "text/html");
m.AlternateViews.Add(htmlView2);
smtp.Send(m);
}
我只看到图表而不是网格。我怎样才能解决这个问题？