vb点虐 数组降序 求降序数vb
vb点虐 datagridview控件 如何点击列头进行排序的时候 第一次点击为降序 求助各路大神
DataGridView.Sort(this.dataGridViewTextBoxColumn1, ListSortDirection.Descending);降序
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DataGridView.Sort(this.dataGridViewTextBoxColumn1, ListSortDirection.Ascending);升序
dataGridViewTextBoxColumn1是列名
VB对二维数组排序
写了一个简单的例子，你可以参考一下，希望对你有帮助。
Private Sub Form_Load()
Dim A(5, 5) As Integer
Dim I, J, K As Integer
Dim Temp As Integer
Show
'生成二维数组
Randomize
For I = 0 To 5
For J = 0 To 5
A(I, J) = Int(Rnd * 90 + 10)
Print A(I, J);
Next J
Next I
Print "======================="
'排序二维数组
'一维排序
For I = 0 To 5
For J = 0 To 4
For K = J + 1 To 5
If A(I, J) = A(I, K) Then
Temp = A(I, J)
A(I, J) = A(I, K)
A(I, K) = Temp
End If
Next K
Next J
Next I
'二维排序
For I = 0 To 5
For J = 0 To 4
For K = J + 1 To 5
If A(J, I) = A(K, I) Then
Temp = A(J, I)
A(J, I) = A(K, I)
A(K, I) = Temp
End If
Next K
Next J
Next I
'重新打印二维数组
For I = 0 To 5
For J = 0 To 5
Print A(I, J);
Next J
Next I
End Sub
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中输入10个数并按要求进行升序排序和降序的程序
Dim AA(1 To 10) As Integer, ZGCJ(1 To 10) As Integer, ZDCJ(1 To 10) As Integer
在通用部分声明三个数组
Private Sub Command1_Click()
Text1.Text = "": Text2.Text = "": Text3.Text = ""
Text1.Text = "系统自动生成的十个数：" vbCrLf
For I = 1 To 10
AA(I) = 0: ZGCJ(I) = 0: ZDCJ(I) = 0
Randomize
AA(I) = Int(Rnd * 90 + 10)
Text1.Text = Text1.Text AA(I) Space(4)
If I Mod 5 = 0 Then Text1.Text = Text1.Text vbCrLf
ZGCJ(I) = AA(I)
ZDCJ(I) = AA(I)
Next I
End Sub
生成十个数的代码
Private Sub Command2_Click()
Text2.Text = "": Text3.Text = ""
Dim AAA As Integer, BBB As Integer
For I = 1 To 9
For J = I + 1 To 10
If ZGCJ(I) ZGCJ(J) Then
AAA = ZGCJ(I)
ZGCJ(I) = ZGCJ(J)
ZGCJ(J) = AAA
End If
If ZDCJ(J) ZDCJ(I) Then
BBB = ZDCJ(J)
ZDCJ(J) = ZDCJ(I)
ZDCJ(I) = BBB
End If
Next J
Next I
Text2.Text = Text2.Text "从大到小排列：" vbCrLf
For I = 1 To 10
Text2.Text = Text2.Text ZGCJ(I) Space(4)
If I Mod 5 = 0 Then Text2.Text = Text2.Text vbCrLf
Next I
Text3.Text = Text3.Text "从小到大排列：" vbCrLf
For I = 1 To 10
Text3.Text = Text3.Text ZDCJ(I) Space(4)
If I Mod 5 = 0 Then Text3.Text = Text3.Text vbCrLf
Next I
End Sub
排序的代码。
如果需要自己输入数字，可以这样：
'如果要自己输入数字，可以修改下面的代码
Text1.Text = "": Text2.Text = "": Text3.Text = ""
Text1.Text = "系统自动生成的十个数：" vbCrLf
For I = 1 To 10
AA(I) = 0: ZGCJ(I) = 0: ZDCJ(I) = 0
Randomize
AA(I) = Int(Rnd * 90 + 10)
Text1.Text = Text1.Text AA(I) Space(4)
If I Mod 5 = 0 Then Text1.Text = Text1.Text vbCrLf
ZGCJ(I) = AA(I)
ZDCJ(I) = AA(I)
Next I
'----------------------------修改为：
Text1.Text = "": Text2.Text = "": Text3.Text = ""
Text1.Text = "用户输入的十个数：" vbCrLf
For I = 1 To 10
AA(I) = 0: ZGCJ(I) = 0: ZDCJ(I) = 0
AA(I) = Val(InputBox("请输入第" I "个数！"))
Text1.Text = Text1.Text AA(I) Space(4)
If I Mod 5 = 0 Then Text1.Text = Text1.Text vbCrLf
ZGCJ(I) = AA(I)
ZDCJ(I) = AA(I)
Next I
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