docs: function(){
  			// $('#' + this.options.id + '_header_multi_input').attr('checked', false)
  			$('#' + this.options.id + '_header_multi_input').removeClass('is-checked');
  			if(typeof this.options.onBeforeAllRowUnSelected == 'function'){
  				var obj = {};
  				obj.gridObj = this;
  				obj.rowObjs = this.dataSourceObj.rows;
  				if(!this.options.onBeforeAllRowUnSelected(obj)){
  					return;
  				}
  			}
  			for(var i=0;i<this.dataSourceObj.rows.length;i++){
  				this.setRowUnselect(i);
  			}
  			if(typeof this.options.onAllRowUnSelected == 'function'){
  				var obj = {};
  				obj.gridObj = this;
  				obj.rowObjs = this.dataSourceObj.rows;
  				this.options.onAllRowUnSelected(obj);
  			}
  		}