摘要： 1 /// 2 /// 获取老师学生聊天记录 3 /// 4 /// 5 public DataSet GetTeacherStudentMsg(string strWhere) 6 { 7 StringBuilder strSql = new StringBuilder(); 8 strSql.Append(@"select r.ID, st.name as 学生姓名, r.time as 时间,tc.name as 老师姓名,r.conte... 阅读全文