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博客园 - Franky

博客园 - 澜心

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行列转换 - 澜心 - 博客园
澜心 · 2007-11-16 · via 博客园 - 澜心

  //查询人员信息的sql语句
            string UsrSql = "select distinct proid,proname from v_ProjectAndUserInfo  "+ con;
            DataTable UserDt 
= GetTable(UsrSql);
            StringBuilder sBuilder 
= new StringBuilder();
            sBuilder.Append(
"SELECT disname as '姓名',");
            
foreach(DataRow row in UserDt.Rows)
            
{
                
string GUID = row["proid"].ToString();
                
string Name = row["proname"].ToString();
                sBuilder.Append(
"SUM(CASE proid WHEN '" + GUID + "' THEN workhours ELSE 0 END) AS '" + Name + "',");
            }
      
     
            
string Ssql = sBuilder.ToString() + "(SELECT SUM(workhours)) AS '合计' ";

            DataTable dt 
= getCountResult(Ssql,con);