要编写VB.Net代码以筛选SQL Server表属性,可以使用以下解决方法:
Dim connectionString As String = "Data Source=your_server_name;Initial Catalog=your_database_name;Integrated Security=True"
Dim connection As New SqlConnection(connectionString)
connection.Open()
Dim query As String = "SELECT column_name, data_type, character_maximum_length FROM information_schema.columns WHERE table_name = 'your_table_name'"
Dim command As New SqlCommand(query, connection)
Dim reader As SqlDataReader = command.ExecuteReader()
While reader.Read()
Dim columnName As String = reader("column_name").ToString()
Dim dataType As String = reader("data_type").ToString()
Dim maxLength As String = reader("character_maximum_length").ToString()
' 这里可以根据需要进行进一步处理,例如筛选特定属性或执行其他操作
Console.WriteLine("Column Name: " & columnName)
Console.WriteLine("Data Type: " & dataType)
Console.WriteLine("Max Length: " & maxLength)
End While
reader.Close()
connection.Close()
以上是一个基本的示例,您可以根据自己的需求和具体的表结构进行修改和扩展。此外,还可以使用其他SQL语句或系统视图来获取不同类型的表属性信息。