我正在尝试使用Adomdclient库从MDX查询中获取数据。我依靠这个例子http://www.yaldex.com/sql_server/progsqlsvr-CHP-20-SECT-6.html。
MDX查询:
SELECT {[Measures].[Cantidad Vta],[Measures].[Monto Vta],[Measures].[ExistenciaHistorica],[Measures].[Valor Inventario historico]} DIMENSION PROPERTIES PARENT_UNIQUE_NAME ON COLUMNS , NON EMPTY Hierarchize({DrilldownLevel({[DIM SUBMARCA].[Código].[All]})}) DIMENSION PROPERTIES PARENT_UNIQUE_NAME ON ROWS FROM (SELECT ({[DIM TIENDA].[JERARQUIA TIENDA].[Región].&[Bodega],[DIM TIENDA].[JERARQUIA TIENDA].[Región].&[Cadena],[DIM TIENDA].[JERARQUIA TIENDA].[Región].&[Outlet]}) ON COLUMNS FROM [JUGUETRONHQ]) WHERE ([DIM FECHA VENTA].[JERARQUIA FECHA VENTA].[Time].&[2012-01-01T00:00:00],[DIM FECHA EXISTENCIA].[JERARQUIA FECHA EXISTENCIA].[All]) CELL PROPERTIES VALUE
与其他名称空间(如SqlClient)一样,使用连接,命令和datareader:
using Microsoft.AnalysisServices.AdomdClient;
...
using (AdomdConnection con = new AdomdConnection(connection_string))
{
con.Open();
using (AdomdCommand command = new AdomdCommand(query, con))
{
using (AdomdDataReader reader = command.ExecuteReader())
{
while (reader.Read())
{
for (int i = 0; i < reader.FieldCount; i++)
Console.Write(reader[i] + (i == reader.FieldCount - 1 ? "" : ", "));
Console.WriteLine("");
}
}
}
}
但是,此代码段只能正确显示5列中的4列:
[DIM SUBMARCA].[Código].[All], , , 3, 825
必须是:
115200081, , , 3, 825
也许需要演员,但我不知道该怎么做。
答案 0 :(得分:1)
这看起来像是MDX查询的问题,而不是数据的检索。它没有正确地约束[DIM SUBMARCA]。[Código]尺寸。
答案 1 :(得分:0)
您的查询有1 [ALL]级别维度和4个度量:
[DIM SUBMARCA].[Código].[All],
[Measures].[Cantidad Vta],
[Measures].[Monto Vta],
[Measures].[ExistenciaHistorica],
[Measures].[Valor Inventario historico]
这将检索1 [ALL]列和4个值:
[DIM SUBMARCA]。[Código]。[全部] ,,, 3,825
115200081是一个关键值?您可以使用“DIMENSION PROPERTIES MEMBER_HEY”获得此值。
答案 2 :(得分:0)
添加了Microsoft.AnalysisServices.AdomdClient.dll 的引用 AdomdConnection步骤
AdomdConnection con = new AdomdConnection("connectionstring"); // connect DB con.Open(); AdomdCommand cmd = new AdomdCommand("MDX query", con); //query
AdomdDataReader reader = cmd.ExecuteReader(); //Execute query
while (reader.Read()) // read
{
Data dt = new Data(); // custom class
dt.Gender = reader[0].ToString();
dt.Eid = reader[1].ToString();
dt.salary = reader[2].ToString();
data.Add(dt);
}