Title: nodiffiren Download
 Description: VB on the database side entry ban repeated data, judging to insert data, when written to the database to determine whether already exists in the database, the judgment is based on the database, the database USES Access, data may be repeated on the database side: rs1. Open the "select * from the customer table where customers = Text1 category (0) _", Cnn, adOpenKeyset, adLockOptimistic If rs1. RecordCount > 0 And Text1 (0) < > DataGrid1. Columns (0) Then MsgBox "the record already exists!", and "prompt window" is the Else Cnn. The Execute (" update customer category table set category = Text1 (0), note = Text1 (1) _, modification Date = Str (Date) = DataGrid1 where customer category. The Columns (0) ") Adodc1. Refresh tlbState Toolbar1, False Text1 (0). The Locked = True: Text1 (1) Locked = True End of the If
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codesc.net\禁止录入重复数据\db_sell.mdb 548864  2010-07-14

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codesc.net\禁止录入重复数据\main_jbzl_khlb.frx 17431  2010-07-14

codesc.net\禁止录入重复数据\MSSCCPRJ.SCC 190  2007-07-10

codesc.net\禁止录入重复数据\工程1.vbp 1203  2010-07-14

codesc.net\禁止录入重复数据\工程1.vbw 92  2010-10-21

codesc.net\禁止录入重复数据 0  2018-06-05

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