📄 admscautoincrementcolumnexample.htm
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<title>AutoIncrement Column 范例</title>
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<h2><a name="admscautoincrementcolumnexample"></a>AutoIncrement Column 范例</h2>
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如下代码说明如何在 Jet 数据库中创建 AutoIncrement 列。</p>
<pre>Sub CreateAutoIncrColumn() Dim cat As New ADOX.Catalog
Dim tbl As New ADOX.Table
Dim col As New ADOX.Column ' 打开目录
cat.ActiveConnection = "Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=C:\Program Files\Microsoft Office\" & _
"Office\Samples\Northwind.mdb;" With tbl
.Name = "MyContacts"
Set .ParentCatalog = cat
' 创建字段并将它们追加到新的 Table 对象中。
.Columns.Append "ContactId", adInteger
' 产生 ContactId 列和自动递加列
.Columns("ContactId").Properties("AutoIncrement") = True
.Columns.Append "CustomerID", adVarWChar
.Columns.Append "FirstName", adVarWChar
.Columns.Append "LastName", adVarWChar
.Columns.Append "Phone", adVarWChar, 20
.Columns.Append "Notes", adLongVarWChar
End With cat.Tables.Append tbl Set cat = NothingEnd Sub</pre>
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