/// <summary>
/// 数据源 run sql ,返回table .
/// </summary>
/// <param name="selectSql"></param>
/// <returns></returns>
public DataTable FromDBUrlRunSQLReturnTable(string selectSql)
{
// 得到数据源．
DataTable dt = new DataTable();
switch (this.FromDBUrl)
{
case DBUrlType.AppCenterDSN:
dt = DBAccess.RunSQLReturnTable(selectSql);
break;
case DBUrlType.DBAccessOfMSMSSQL:
dt = DBAccessOfMSMSSQL.RunSQLReturnTable(selectSql);
break;
case DBUrlType.DBAccessOfODBC:
dt = DBAccessOfODBC.RunSQLReturnTable(selectSql);
break;
case DBUrlType.DBAccessOfOLE:
dt = DBAccessOfOLE.RunSQLReturnTable(selectSql);
break;
case DBUrlType.DBAccessOfOracle:
dt = DBAccessOfOracle.RunSQLReturnTable(selectSql);
break;
//case DBUrlType.DBAccessOfOracle1:
// dt=DBAccessOfOracle1.RunSQLReturnTable( selectSql );
// break;
default:
break;
}
return(dt);
}
public static int Retrieve(Entity en, string sql, Paras paras)
{
DataTable dt;
switch (en.EnMap.EnDBUrl.DBUrlType)
{
case DBUrlType.AppCenterDSN:
dt = DBAccess.RunSQLReturnTable(sql, paras);
break;
case DBUrlType.DBAccessOfMSMSSQL:
dt = DBAccessOfMSMSSQL.RunSQLReturnTable(sql);
break;
case DBUrlType.DBAccessOfOracle:
dt = DBAccessOfOracle.RunSQLReturnTable(sql);
break;
default:
throw new Exception("@没有设置DB类型。");
}
if (dt.Rows.Count == 0)
{
return(0);
}
Attrs attrs = en.EnMap.Attrs;
EnDA.fullDate(dt, en, attrs);
int i = dt.Rows.Count;
dt.Dispose();
return(i);
}
public static int Retrieve(Entities ens, string sql)
{
try
{
DataTable dt = new DataTable();
switch (ens.GetNewEntity.EnMap.EnDBUrl.DBUrlType)
{
case DBUrlType.AppCenterDSN:
dt = DBAccess.RunSQLReturnTable(sql);
break;
case DBUrlType.DBAccessOfMSMSSQL:
dt = DBAccessOfMSMSSQL.RunSQLReturnTable(sql);
break;
case DBUrlType.DBAccessOfOracle:
dt = DBAccessOfOracle.RunSQLReturnTable(sql);
break;
case DBUrlType.DBAccessOfOLE:
dt = DBAccessOfOLE.RunSQLReturnTable(sql);
break;
default:
throw new Exception("@没有设置DB类型。");
}
if (dt.Rows.Count == 0)
{
return(0);
}
Map enMap = ens.GetNewEntity.EnMap;
Attrs attrs = enMap.Attrs;
//Entity en1 = ens.GetNewEntity;
foreach (DataRow dr in dt.Rows)
{
Entity en = ens.GetNewEntity;
//Entity en = en1.CreateInstance();
foreach (Attr attr in attrs)
{
en.Row.SetValByKey(attr.Key, dr[attr.Key]);
}
ens.AddEntity(en);
}
int i = dt.Rows.Count;
dt.Dispose();
return(i);
//return dt.Rows.Count;
}
catch (System.Exception ex)
{
// ens.GetNewEntity.CheckPhysicsTable();
throw new Exception("@在[" + ens.GetNewEntity.EnDesc + "]查询时出现错误:" + ex.Message);
}
}
public static int Retrieve(Entities ens, string sql, Paras paras, string[] fullAttrs)
{
DataTable dt = null;
switch (ens.GetNewEntity.EnMap.EnDBUrl.DBUrlType)
{
case DBUrlType.AppCenterDSN:
dt = DBAccess.RunSQLReturnTable(sql, paras);
break;
case DBUrlType.DBAccessOfMSMSSQL:
dt = DBAccessOfMSMSSQL.RunSQLReturnTable(sql);
break;
case DBUrlType.DBAccessOfOracle:
dt = DBAccessOfOracle.RunSQLReturnTable(sql);
break;
case DBUrlType.DBAccessOfOLE:
dt = DBAccessOfOLE.RunSQLReturnTable(sql);
break;
default:
throw new Exception("@没有设置DB类型。");
}
if (dt.Rows.Count == 0)
{
return(0);
}
//设置查询.
QueryObject.InitEntitiesByDataTable(ens, dt, fullAttrs);
int i = dt.Rows.Count;
dt.Dispose();
return(i);
//return dt.Rows.Count;
}
public static int Retrieve(Entities ens, string sql, Paras paras, string[] fullAttrs)
{
DataTable dt = null;
switch (ens.GetNewEntity.EnMap.EnDBUrl.DBUrlType)
{
case DBUrlType.AppCenterDSN:
dt = DBAccess.RunSQLReturnTable(sql, paras);
break;
case DBUrlType.DBAccessOfMSMSSQL:
dt = DBAccessOfMSMSSQL.RunSQLReturnTable(sql);
break;
case DBUrlType.DBAccessOfOracle:
dt = DBAccessOfOracle.RunSQLReturnTable(sql);
break;
case DBUrlType.DBAccessOfOLE:
dt = DBAccessOfOLE.RunSQLReturnTable(sql);
break;
default:
throw new Exception("@没有设置DB类型。");
}
if (dt.Rows.Count == 0)
{
return(0);
}
if (fullAttrs == null)
{
Map enMap = ens.GetNewEntity.EnMap;
Attrs attrs = enMap.Attrs;
try
{
foreach (DataRow dr in dt.Rows)
{
Entity en = ens.GetNewEntity;
foreach (Attr attr in attrs)
{
en.Row.SetValByKey(attr.Key, dr[attr.Key]);
}
ens.AddEntity(en);
}
}
catch (Exception ex)
{
#warning 应该出现的错误. 2011-12-03 add
string cols = "";
foreach (DataColumn dc in dt.Columns)
{
cols += " , " + dc.ColumnName;
}
throw new Exception("Columns=" + cols + "@Ens=" + ens.ToString() + "@SQL=" + sql + ". @异常信息:" + ex.Message);
}
}
else
{
foreach (DataRow dr in dt.Rows)
{
Entity en = ens.GetNewEntity;
foreach (string str in fullAttrs)
{
en.Row.SetValByKey(str, dr[str]);
}
ens.AddEntity(en);
}
}
int i = dt.Rows.Count;
dt.Dispose();
return(i);
//return dt.Rows.Count;
}