/// <summary>
///
/// </summary>
/// <param name="dsid">数据源id或progid</param>
public LibDSContext(string dsid)
{
this._dsid = dsid;
CachHelp cach = new CachHelp();
_ds = cach.GetCach(string.Format("{0}_{1}", dsid, SysConstManage.TBSchemasuffix)) as LibDataSource;
if (_ds == null)
{
_ds = SDPCRL.COM.ModelManager.ModelManager.GetDataSource(dsid);
if (_ds == null)
{
LibFormPage form = SDPCRL.COM.ModelManager.ModelManager.GetFormSource(dsid);
_ds = SDPCRL.COM.ModelManager.ModelManager.GetDataSource(form.DSID);
}
//101：数据源:{0} 不存在
if (_ds == null)
{
throw new LibExceptionBase(101, dsid);
}
//100：没有表结构
if (_ds.DefTables == null)
{
throw new LibExceptionBase(100);
}
cach.AddCachItem(string.Format("{0}_{1}", dsid, SysConstManage.TBSchemasuffix), _ds, DateTimeOffset.Now.AddMinutes(30));
}
InitialContext();
}
protected string GetFieldDesc(string dsid, string tablenm, string fieldnm)
{
CachHelp cachelp = new CachHelp();
DataTable dt = cachelp.GetCach(dsid) as DataTable;
if (dt == null)
{
dt = (DataTable)this.ExecuteSysDalMethod("TestFunc", "GetFieldDescByDSID", dsid);
cachelp.AddCachItem(dsid, dt, DateTimeOffset.Now.AddMinutes(2));
}
if (dt != null)
{
DataRow[] dr = dt.Select(string.Format("LanguageId={0} and DSID='{1}' and FieldNm='{2}' and TableNm='{3}'",
(int)this.Language, dsid, fieldnm, tablenm));
if (dr != null && dr.Length > 0)
{
return(dr[0]["Vals"].ToString());
}
}
return((string)this.ExecuteSysDalMethod("TestFunc", "InternalGetFieldDesc", (int)this.Language, dsid, tablenm, fieldnm));
}
