arcengine连接数据库 对于初学者很有用-arcengine connect to GDB

基于ARCENGINE 实现按属性选择要素，并将所选要素导出到GDB中，添加所选要素到新图层的功能。-Select elements based on ARCENGINE implementation according to the attribute, and will export the selected elements to the GDB, add the function of the selected elements to a new layer.