yui datatable动态修改行号

相关函数

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getRecord  ：YAHOO.widget.Record getRecord ( row )

For the given identifier, returns the associated Record instance. 

 

传入RecordSet position Index或者Recod  Id 返回 该行的实例

 

 

　　

updateCell：void updateCell ( oRecord , oColumn , oData , skipRender )

For the given row and column, updates the Record with the given data. If the cell is on current page, the corresponding DOM elements are also updated.

Parameters:

oRecord < YAHOO.widget.Record> Record instance.

oColumn < YAHOO.widget.Column | String | Number> A Column key, or a ColumnSet key index.

oData < Object> New data value for the cell.

skipRender < Boolean> Skips render step. Editors that update multiple cells in ScrollingDataTable should render only on the last call to updateCell().

更新cell，传入行实例，列实例，cell值。如果是scrolling table需特殊处理

 

getColumn: YAHOO.widget.Column getColumn ( column )

For the given identifier, returns the associated Column instance. Note: For getting Columns by Column ID string, please use the method getColumnById().

Parameters:

column < HTMLElement | String | Number> TH/TD element (or child of a TH/TD element), a Column key, or a ColumnSet key index.

Returns: YAHOO.widget.Column

Column instance.

传入index，id或者key获取列的实例

 

　

 　其他行操作相关的用法见：yui-datatable常用知识总结

 

使用

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var records = myTable.getRecordSet().getRecords();

var columnObject = myTable.getColumn("RN");

var  i, len,recordInstance ;

for( i=0,len=records .length; i<len; i++){

    recordInstance = myTable.getRecord(records[i].getId());

    myTable.updateCell(recordInstance,columnObject, i+1);

}

 

sortColumn

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　　排序行号：使用sortColumn方法：

　　

sortColumn：void sortColumn ( oColumn , sDir )

Sorts given Column. If "dynamicData" is true, current selections are purged before a request is sent to the DataSource for data for the new state (using the request returned by "generateRequest()").

Parameters:

oColumn < YAHOO.widget.Column> Column instance.

sDir < String> (Optional) YAHOO.widget.DataTable.CLASS_ASC or YAHOO.widget.DataTable.CLASS_DESC

给定列实例和排序方式排序给定列