FLEX Get DataGrid line number and column number sample code

var findex:Number = (/)-1 + ;
//It is the height of the local coordinate system where the mouse is located relative to the datagrid
//It is the row height of datagrid, and the function is to cut off the decimal point
//verticalScrollPosition is the number of rows to scroll down if the datagrid has a scrollbar. In this way, the findex is the number of lines where the mouse is located
if (findex<0 || findex>=+-1) //Error handling when the line number is less than 0 and when the datagrid rows are greater than the total number of lines
{
//Do nothing
} else {
.............
}

var _editColumn:DataGridColumn=[];
var editValue:String=[_editColumn.editorDataField]; //Get the edited rainfall value
var _editValue:int=int(editValue);
var _row:int=;
var _column:int=;
var col:DataGridColumn=[_column-1];
var deviceName:String=(_row)[]; //The site name obtained with the edited rainfall value