vb.net 逗号分隔的数组项列表
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Comma Separated List of Array Items
提问by Steven
Is there a built-in function in VB.NET which would take an array of strings and output a string of comma separated items?
VB.NET 中是否有一个内置函数，它可以接受一个字符串数组并输出一串逗号分隔的项目？
Example: function( { "Sam","Jane","Bobby"} ) --> "Sam, Jane, Bobby"
例子： function( { "Sam","Jane","Bobby"} ) --> "Sam, Jane, Bobby"
回答by Kyle B.
String.Join(",", YourArray)
Additionally, if you want to get all selected items from a checkboxlist (or radiobuttonlist) you could use an extension method (checkboxlist shown below):
此外，如果您想从复选框列表（或单选按钮列表）中获取所有选定的项目，您可以使用扩展方法（如下所示的复选框列表）：
Call Syntax: Dim sResults As String = MyCheckBoxList.ToStringList()
调用语法： Dim sResults As String = MyCheckBoxList.ToStringList()
<Extension()> _
Public Function ToStringList(ByVal cbl As System.Web.UI.WebControls.CheckBoxList) As String
Dim separator As String = ","
Dim values As New ArrayList
For Each objItem As UI.WebControls.ListItem In cbl.Items
If objItem.Selected Then
values.Add(objItem.Value.ToString)
End If
Next
Return String.Join(separator, values.ToArray(GetType(String)))
End Function
回答by Oded
回答by CSharpAtl
回答by Program.X
I don't know about VB, but C# has a String.Join method which can concatanate a string array delimited by a nominated character. Presume VB is almost identical.
我不了解 VB，但 C# 有一个 String.Join 方法，它可以连接由指定字符分隔的字符串数组。假设 VB 几乎相同。
