I provides combobox1 which is need the study of part2,then you can understand this parts.I provides different way to understand it using database retrieve methods.
In this video there a combobox which need retreive data from database using query.There is basic scheme to create a DatabaseHelper components.There is also supports to edit,insert and delete data of combobox using database.
There is need to combobox data are retrieve data from database.There is need to open and close connection in the load page with store procedure name.The datatable dt are used for execute query.
Combobox have more data at a time.You can only select one at a time.Combox is used for retrieve using data from database.Database need also one column status code,either active or deactive.Combobox is select based on the index using count.
Combobox is creation having database also needed.It include different stp to be understand as given below.You can download video as given below link.
NOTE: You need webex for viewing video.
