Changethebackcoloroftheexpandedrowandthecollapsedrows.   protectedvoidRadGrid1_ItemCommand(objectsource,Telerik.Web.UI.GridCommandEventArgse) {//Expandarow,updatethebackcoloroftheexpandedrowandotherrows.if(e.CommandNameRadGrid.ExpandCollapseCommandName&&e.Item.Expandedfalse) { foreach(...