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bcb连接access数据库（BCB access database connection）.doc

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bcb连接access数据库（BCB access database connection）

bcb连接access数据库（BCB access database connection） BCB connect to the ACCESS database 2012-12-21 17:06:38| classification: BCB | brand subscription 1: setting up the environment First, build a ACCESS database, such as psw.mdb, which sets the password to 12345, where the table usedb is created. 1. create a new form, Form1, where you put in a TADOTable control, a TDataSource control, and a TDBGrid control, and enter several records. ConnectionString 2. set the TADOTable control for Provider=Microsoft.Jet.OLEDB.4.0; Data Source=psw.mdb; Persist Security Info=False; Jet OLEDB:Database Password=12345, note that the password can also be in the Build window click all (last) tab, find the Jet OLEDB:Database Password double click on the list below the input 12345 points identified in the input box to open the after. 3. set the DataSet attribute of the TDataSource control to TADOTable1. 4. set the DataSource attribute of the TDBGrid control to TDataSource1. 5. sets the TableName attribute of the Table control to usedb and the Active attribute to true. After the above settings, we will see that the TDBGrid control already shows the data, so that we have completed the use of ADO access to the password ACCESS database. Two: access (ADOTable1-Edit); / / set the database table can be edited Edit2-Text= ADOTable1-FieldValues[UserID]; / / in the current record according to the field name to get content If (Edit2-Text==, 2) ADOTable1-FieldValues[UserID]= 1111; / / modify the content according to the field in the current record (ADOTable1-Post); / / to save Edit2-Text=ADOTable1-RecNo; / / the current record number Edit2-Text=ADOTable1-RecordCount; / / record the total number of +1 Query modification: ADOTable1-First (); For (int i=1; i=ADOTable1-RecordCount; i++) { If (Edit1-Text== ADOTable1-FieldValues[UserID]) / / in the current record according to the field name to get content { ADOTable1-Edit (); ADOTable1-FieldValues[UserPWD]= 1111; / / modify the content according to the field in th