Understanding the difference between row context and filter context is important in using DAX correctly. This article introduces these two concepts. Row Con
Rows[3].Delete();// Set the RowStateFilter to display only deleted rows.view.RowStateFilter = DataViewRowState.Deleted; PrintView(view,"Deleted");// Set filter to display only current rows.view.RowStateFilter = DataViewRowState.CurrentRows; PrintView(view,"Current");// Set filter to ...
获取或设置一个值,该值指示在 DataView 中是显示 Current、Deleted、Modified Current、ModifiedOriginal、New、Original、Unchanged 还是不显示任何行。 C# 复制 public System.Data.DataViewRowState RowStateFilter { get; set; } 属性值 DataViewRowState 一个指示要显示哪些行的值。 注解 RowStateFilter ...
ControlFilterValue ControlNode ControlStyle CopyCallerQuery CryptoAPI Cue CueAlertCondition CueGroup CueReference DataArea DatabaseCLI DatabaseId DatabaseLog DatabaseLogType DataEntityContextEventArgs DataEntityContextRecordEventArgs DataEntityContextResultEventArgs DataEntityDatabaseOperation DataEntityDataSourceRunti...
CLR has been unable to transition from COM context 0x1bcc1920 CoCreateInstance in C# code add,delete,update button in c# Code blocks are not supported in this context. Code Error: Cannot Use Local Variable Before It Is Declared - Explanation? Code generation for property <xxx> failed Code he...
Error - An expression of non-boolean type specified in a context where a condition is expected, near ',' Error : Project item ‘4294967294′ does not represent a file Error "Not a legalOleAut Date" in Report Builder ERROR [IM002] [Microsoft][ODBC Driver Manager] Data source name not fo...
ControlFilterValue ControlNode ControlStyle CopyCallerQuery CryptoAPI Cue CueAlertCondition CueGroup CueReference DataArea DatabaseCLI DatabaseId DatabaseLog DatabaseLogType DataEntityContextEventArgs DataEntityContextRecordEventArgs DataEntityContextResultEventArgs DataEntityDatabaseOperation DataEntityDataSourceRunti...
通过Row Group Index和Bloom Filter Index的双重索引优化,这条语句最终执行,只扫描了60000条记录,大大节省了MapTask的执行时间和资源。 之前的文章《更高的压缩比,更好的性能–使用ORC文件格式优化Hive》中介绍了Hive的ORC文件格式,它不但有着很高的压缩比,节省存储和计算资源之外,还通过一个内置的轻量级索引,提升查询...
Msg 4145, Level 15, State 1, Line 1 An expression of non-boolean type specified in a context where a condition is expected, near 'Name'. Msg 468, Level 16, State 9, Procedure "procedurename", Line 129 Cannot resolve the collation conflict between "Latin1_General_CI_AS" and "SQL_Lati...
Having another challenge, when I entered the DAX formula, getting following error message: "A single value for column ProductNeed in table cannot be determined. This can happen when a measure formula refers to a column that contains many values" Am I doing something incorr...