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我想从数据库初始化一维数组,但它不初始化。从数据库初始化一维数组
Dim cmdstring As String = "SELECT DISTINCT(category) from inventory"
command = New MySqlCommand(cmdstring, connection)
Dim reader As MySqlDataReader
reader = command.ExecuteReader(CommandBehavior.CloseConnection)
While reader.Read()
Dim xValues() As String = reader("category")
End While
connection.Close()
[Visual Basic中的数组](https://msdn.microsoft.com/en-us/library/wak0wfyt.aspx) – Plutonix 2015-03-03 00:44:03
我已更正您的帖子的格式和几个拼写错误。还请在您的问题中包含确切的错误消息。 – 2015-03-06 16:54:18