asp.net 无法调用存储过程,该怎么解决_ASP.NET

asp.net 无法调用存储过程

C# code

 SqlConnection con = new SqlConnection(Maticsoft.DBUtility.DbHelperSQL.GetconnectionString());SqlDataAdapter da = new SqlDataAdapter();da.SelectCommand = new SqlCommand();da.SelectCommand.Connection = con;da.SelectCommand.CommandText = "exec sp_spaceused";da.SelectCommand.CommandType = CommandType.StoredProcedure;DataSet ds=new DataSet();da.Fill(ds);

执行提示找不到存储过程 'exec sp_spaceused'，
在SQL管理器里面可以执行

------解决方案--------------------------------------------------------

探讨
C# code

SqlConnection con = new SqlConnection(Maticsoft.DBUtility.DbHelperSQL.GetconnectionString());
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = new SqlCommand();
da.SelectCommand……