C# So im looking to create/update/delete database entries from this form,, in C#

The database looks like this

Main table

Secondary

Form1 File Edit Help User ID User Device Support O User First Name Y User Add Date Time O User Last Name User Change Date Time User Manager User Change UID User Department User Change Status Device DeviceUserInformation Field Name Data Type Y USR_UID AutoNumber USR_FIRST_NM Short Text USR_LAST_NM Short Text USR_MGR Short Text USR_DPT Short Text USR_DEVICE SUP Yes/No USR_ADD_DTM Date/Time USR_CHG_DTM Date/Time USR_CHG_UID Number USR_STAT_CD Short Text Uniquely Identifies a User The Given Name Of The User The Surname Of The User The Surname Of The Users Manager The Department That The User Is Under Field Determines If User Has Device Support The Date And Time That The Record Was Added The Date And Time That The Record Was Last Updated The Updated Unique ID For The User The Status Of The User. A=Active,I=Inactive, D=Deleted,B=Break, S=Suspension Device Device Userinformation Field Name Data Type Y DEVICE_ID AutoNumber USR_UID Number DEVICE_MAN Short Text DEVICE MOD Short Text DEVICE_COST Currency Uniquely Identifies The Device Uniquely Identifies The User Identifies The Device Manufacturer Identifies The Device Model Identifies The Cost Of The Device Form1 File Edit Help User ID User Device Support O User First Name Y User Add Date Time O User Last Name User Change Date Time User Manager User Change UID User Department User Change Status Device DeviceUserInformation Field Name Data Type Y USR_UID AutoNumber USR_FIRST_NM Short Text USR_LAST_NM Short Text USR_MGR Short Text USR_DPT Short Text USR_DEVICE SUP Yes/No USR_ADD_DTM Date/Time USR_CHG_DTM Date/Time USR_CHG_UID Number USR_STAT_CD Short Text Uniquely Identifies a User The Given Name Of The User The Surname Of The User The Surname Of The Users Manager The Department That The User Is Under Field Determines If User Has Device Support The Date And Time That The Record Was Added The Date And Time That The Record Was Last Updated The Updated Unique ID For The User The Status Of The User. A=Active,I=Inactive, D=Deleted,B=Break, S=Suspension Device Device Userinformation Field Name Data Type Y DEVICE_ID AutoNumber USR_UID Number DEVICE_MAN Short Text DEVICE MOD Short Text DEVICE_COST Currency Uniquely Identifies The Device Uniquely Identifies The User Identifies The Device Manufacturer Identifies The Device Model Identifies The Cost Of The Device