or
dataSource: [
// The kendo.data.SchedulerDataSource configuration
dataSource: {
batch: true,
transport:
{
read:
{
url: "KPIGetData/DimData.aspx?SearchInput=schedulerevent",
dataType: "json",
data:"&SearchValue="+CurrentUserID+"&StartTime="+SearchTimeStart+"&EndTime="+SearchTimeEnd
}
},<select> <optgroup label='test1'> <option value=''>value 1</option> <option value=''>value 2</option> </optgroup><optgroup label='test2'> <option value=''>value 1</option> <option value=''>value 2</option> </optgroup></select>