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);