Private Sub btnCreateDatabase_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles btnCreateDatabase.Click Dim reader As SqlDataReader Dim str As String Dim myConn As SqlConnection = New SqlConnection("Server=(local)\netsdk;" & _ "uid=sa;pwd=;database=master") str = "CREATE DATABASE MyDatabase ON PRIMARY " & _ "(NAME = MyDatabase_Data, " & _ " FILENAME = 'D:\MyFolder\MyDatabaseData.mdf', " & _ " SIZE = 2MB, " & _ " MAXSIZE = 10MB, " & _ " FILEGROWTH = 10%) " & _ " LOG ON " & _ "(NAME = MyDatabase_Log, " & _ " FILENAME = 'D:\MyFolder\MyDatabaseLog.ldf', " & _ " SIZE = 1MB, " & _ " MAXSIZE = 5MB, " & _ " FILEGROWTH = 10%) " Dim myCommand As SqlCommand = New SqlCommand(str, myConn) Try myConn.Open() reader = myCommand.ExecuteReader() Catch ex As Exception MessageBox.Show(ex.ToString()) Finally If Not reader Is Nothing Then reader.Close() If (myConn.State = ConnectionState.Open) Then myConn.Close() End If MessageBox.Show("Database is created successfully", _ "MyProgram", MessageBoxButtons.OK, _ MessageBoxIcon.Information) End If End Try End Sub5.更改连接字符串使其指向 SQL Server,要确保将 Database 参数设置为 Master 或保留为空白。 6.按 F5 键或 CTRL F5 组合键以运行该项目,然后单击创建数据库。 其他注意事项 此代码创建的是带有特定属性的自定义数据库。 将要保存所创建 .mdf 和 .ldf 文件的文件夹必须在运行该代码之前就已存在、否则会引发异常。 如果想创建一个类似于 SQL Server 的 Model 数据库的数据库并想让它存储在默认位置,那么请更改代码中的 str 变量: str = "CREATE DATABASE MyDatabase"