vb.net文件排序6 vbnet数组排序方法
VB.NET中数据的排序问题
建议用 DataGridView(你用的是它吧?)内建的排序方法来排序。介绍和示例代码可以参考MSDN:
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VB.NET数组的排序法?
如果你是从vb6刚过渡上vb。net,建议还是用冒泡排序法,容易理解。
如果你正努力学习vb。net的方法,推荐一个例子如下:
Imports System
Imports System.Collections
Public Class SamplesArray
Public Class myReverserClass
Implements IComparer
' Calls CaseInsensitiveComparer.Compare with the parameters reversed.
Function Compare(x As Object, y As Object) As Integer _
Implements IComparer.Compare
Return New CaseInsensitiveComparer().Compare(y, x)
End Function 'IComparer.Compare
End Class 'myReverserClass
Public Shared Sub Main()
' Creates and initializes a new Array and a new custom comparer.
Dim myArr As [String]() = {"The", "QUICK", "BROWN", "FOX", "jumps", "over", "the", "lazy", "dog"}
Dim myComparer = New myReverserClass()
' Displays the values of the Array.
Console.WriteLine("The Array initially contains the following values:")
PrintIndexAndValues(myArr)
' Sorts a section of the Array using the default comparer.
Array.Sort(myArr, 1, 3)
Console.WriteLine("After sorting a section of the Array using the default comparer:")
PrintIndexAndValues(myArr)
' Sorts a section of the Array using the reverse case-insensitive comparer.
Array.Sort(myArr, 1, 3, myComparer)
Console.WriteLine("After sorting a section of the Array using the reverse case-insensitive comparer:")
PrintIndexAndValues(myArr)
' Sorts the entire Array using the default comparer.
Array.Sort(myArr)
Console.WriteLine("After sorting the entire Array using the default comparer:")
PrintIndexAndValues(myArr)
' Sorts the entire Array using the reverse case-insensitive comparer.
Array.Sort(myArr, myComparer)
Console.WriteLine("After sorting the entire Array using the reverse case-insensitive comparer:")
PrintIndexAndValues(myArr)
End Sub 'Main
Public Shared Sub PrintIndexAndValues(myArr() As [String])
Dim i As Integer
For i = 0 To myArr.Length - 1
Console.WriteLine(" [{0}] : {1}", i, myArr(i))
Next i
Console.WriteLine()
End Sub 'PrintIndexAndValues
End Class 'SamplesArray
'This code produces the following output.
'
'The Array initially contains the following values:
' [0] : The
' [1] : QUICK
' [2] : BROWN
' [3] : FOX
' [4] : jumps
' [5] : over
' [6] : the
' [7] : lazy
' [8] : dog
'
'After sorting a section of the Array using the default comparer:
' [0] : The
' [1] : BROWN
' [2] : FOX
' [3] : QUICK
' [4] : jumps
' [5] : over
' [6] : the
' [7] : lazy
' [8] : dog
'
'After sorting a section of the Array using the reverse case-insensitive comparer:
' [0] : The
' [1] : QUICK
' [2] : FOX
' [3] : BROWN
' [4] : jumps
' [5] : over
' [6] : the
' [7] : lazy
' [8] : dog
'
'After sorting the entire Array using the default comparer:
' [0] : BROWN
' [1] : dog
' [2] : FOX
' [3] : jumps
' [4] : lazy
' [5] : over
' [6] : QUICK
' [7] : the
' [8] : The
'
'After sorting the entire Array using the reverse case-insensitive comparer:
' [0] : the
' [1] : The
' [2] : QUICK
' [3] : over
' [4] : lazy
' [5] : jumps
' [6] : FOX
' [7] : dog
' [8] : BROWN
VB.net 排序
你这个是冒泡排序么?从大到小么?
For j = 0 To lstNetworkRisk.Items.Count - 1 应该改成
For j = i To lstNetworkRisk.Items.Count - 1
另外尽量不要用GOTO语句。而且完全也可以不用这个GOTO。
还有不知道你用的什么版本的.net 如果是3.5的完全可以直接用linq。
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