Hello there ,
i have RadGridView hierarchy with 3 level
i want to do the following
1- when expand any row at the first level , i need to collapse any other expanded row.
2- when expand any row at the first level i need to dispose any data source assigned to other rows , in other words i want to keep my memory to contain only the datasource of current expanded row.
i expanded first row , then rowsourceneed event will be fired and second level will be binded
when expand second row , also rowsourceneed event will be fired and second level will be binded
now i need to clear the datasource for first expanded row , and when first row expanded again it will force rowsourceneed event to be fired again
please help me.