# dhtmlxconnector:toc_what_is_dhtmlxconnector [DHX documentation]

DHTMLX Docs & Samples Explorer

Index
dhtmlxconnector

### dhtmlxConnector Usage Guide

1. Initialization of dhtmlxConnector
2. Data configuration
3. Formatting/Changing Data before Loading
4. Dynamical Loading
5. Sorting
6. Filtering
7. Complex Updates
8. Validating Data
9. Error Handling and Logging
10. Security

##### GridConnector

- Select-box columns in grid
- Defining grid structure on server side
- Data export
- KeyGrid Connector

##### Tree and TreeGrid

- Group connector
- Multi-table tree

##### SchedulerConnector

- Select-box in scheduler

##### DB Specific Tips

- Oracle
- File System
- Excel file

##### Multi-user sync

- Base concept

##### Other

- Using connector for DB operations