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在.NET 2.0框架下动态创建Access数据库和表

<%@ Page Language="C#" %> <%@ Import Namespace="ADOX" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> /// <summary> /// CreateAccessDB 的摘要说明。 /// 对于不同版本的ADO，需要添加不同的引用 /// 请添加引用Microsoft ADO Ext. 2.7 for DDL and Security /// 请添加引用Microsoft ADO Ext. 2.8 for DDL and Security /// </summary> protected void Page_Load(object sender, EventArgs e) { //为了方便测试，数据库名字采用比较随机的名字，以防止添加不成功时还需要重新启动IIS来删除数据库。 string dbName = "D:\\NewMDB" + DateTime.Now.Millisecond.ToString() + ".mdb"; ADOX.CatalogClass cat = new ADOX.CatalogClass(); cat.Create("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + dbName + ";"); Response.Write("数据库：" + dbName + "已经创建成功！"); ADOX.TableClass tbl = new ADOX.TableClass(); tbl.ParentCatalog = cat; tbl.Name = "MyTable"; //增加一个自动增长的字段 ADOX.ColumnClass col = new ADOX.ColumnClass(); col.ParentCatalog = cat; col.Type = ADOX.DataTypeEnum.adInteger; // 必须先设置字段类型 col.Name = "id"; col.Properties["Jet OLEDB:Allow Zero Length"].Value = false; col.Properties["AutoIncrement"].Value = true; tbl.Columns.Append(col, ADOX.DataTypeEnum.adInteger, 0); //增加一个文本字段 ADOX.ColumnClass col2 = new ADOX.ColumnClass(); col2.ParentCatalog = cat; col2.Name = "Description"; col2.Properties["Jet OLEDB:Allow Zero Length"].Value = false; tbl.Columns.Append(col2, ADOX.DataTypeEnum.adVarChar, 25); //增加数字字段 ADOX.ColumnClass col3 = new ADOX.ColumnClass(); col3.ParentCatalog = cat; col3.Name = "数字"; col3.Type = DataTypeEnum.adDouble; col3.Properties["Jet OLEDB:Allow Zero Length"].Value = false; tbl.Columns.Append(col3, ADOX.DataTypeEnum.adDouble, 666); //增加Ole字段 ADOX.ColumnClass col4 = new ADOX.ColumnClass(); col4.ParentCatalog = cat; col4.Name = "Ole类型"; col4.Type = DataTypeEnum.adLongVarBinary; col4.Properties["Jet OLEDB:Allow Zero Length"].Value = false; tbl.Columns.Append(col4, ADOX.DataTypeEnum.adLongVarBinary, 0); //设置主键 tbl.Keys.Append("PrimaryKey", ADOX.KeyTypeEnum.adKeyPrimary, "id", "", ""); cat.Tables.Append(tbl); msg.Text = ("<br>数据库表：" + tbl.Name + "已经创建成功！"); System.Runtime.InteropServices.Marshal.ReleaseComObject(tbl); System.Runtime.InteropServices.Marshal.ReleaseComObject(cat); tbl = null; cat = null; GC.WaitForPendingFinalizers(); GC.Collect(); } </script> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>在.NET框架下动态创建Access数据库和表</title> </head> <body> <form id="form1" runat="server"> <asp:Label ID="msg" runat="server" /> </form> </body> </html>