vb.net 把几个数组中初始值赋值按最多元素分别添加到DataGridView指定几个索引列单元格中详细代码,每行代码带注释
时间: 2024-03-23 22:42:59 浏览: 63
好的,以下是按照您的要求编写的VB.NET代码,每行都有详细的注释:
```
' 定义几个数组
Dim array1() As Integer = {1, 2, 3, 4, 5}
Dim array2() As Integer = {2, 3, 4, 5, 6}
Dim array3() As Integer = {3, 4, 5, 6, 7}
' 创建一个DataTable对象,用于存储结果数据
Dim dt As New DataTable()
' 添加列头
dt.Columns.Add("初始值")
dt.Columns.Add("数组1")
dt.Columns.Add("数组2")
dt.Columns.Add("数组3")
' 创建一个字典,用于存储每个初始值在各个数组中的出现次数
Dim dict As New Dictionary(Of Integer, Integer())
' 遍历数组1,将每个初始值出现的次数存储到字典中
For Each value As Integer In array1
If Not dict.ContainsKey(value) Then
dict(value) = {1, 0, 0}
Else
dict(value)(0) += 1
End If
Next
' 遍历数组2,将每个初始值出现的次数存储到字典中
For Each value As Integer In array2
If Not dict.ContainsKey(value) Then
dict(value) = {0, 1, 0}
Else
dict(value)(1) += 1
End If
Next
' 遍历数组3,将每个初始值出现的次数存储到字典中
For Each value As Integer In array3
If Not dict.ContainsKey(value) Then
dict(value) = {0, 0, 1}
Else
dict(value)(2) += 1
End If
Next
' 遍历字典中的每个初始值,将其出现次数最多的数组赋值到DataTable中
For Each kvp As KeyValuePair(Of Integer, Integer()) In dict
' 找出出现次数最多的数组
Dim maxCount As Integer = kvp.Value.Max()
Dim maxIndex As Integer = Array.IndexOf(kvp.Value, maxCount)
' 创建一行数据
Dim row As DataRow = dt.NewRow()
row("初始值") = kvp.Key
row("数组1") = If(maxIndex = 0, maxCount.ToString(), "")
row("数组2") = If(maxIndex = 1, maxCount.ToString(), "")
row("数组3") = If(maxIndex = 2, maxCount.ToString(), "")
' 将行添加到DataTable中
dt.Rows.Add(row)
Next
' 将DataTable绑定到DataGridView控件
DataGridView1.DataSource = dt
```
希望这份代码能够满足您的需求。如果您有任何疑问,请随时问我。
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