string s1="select username from xinxibiao where usernum='" + usernum.Text + "'";
string s2 = "server=.;user id=sa;pwd=sa;database=kaoshi";
SqlConnection conn = new SqlConnection(s2);
conn.Open();
SqlDataAdapter chaxun = new SqlDataAdapter(s1, s2);
DataSet rongqi = new DataSet();
chaxun.Fill(rongqi);
string name = rongqi.Tables[0].Rows.ToString();
username.Text = name;
这段代码有啥子问题吗?为什么我每次显示出来的内容都是一串英文:System.Data.DataSet,哪里需要改吗?都已经试了一天了,我的头都要炸了,求各位大神帮忙,急啊!谢谢