[英]Multiple checkbox value into datagridview single column
我试图允许特定的复选框,如果选中要合并的数据并将其插入到datagridview单列中。
表单添加栏如下:
table.Columns.Add("Drinks", Type.GetType("System.Int32"))
然后
Checkbox 1 = Coke
Checkbox 2 = Pepsi
Checkbox 3 = Fanta
这是该类的代码:
Dim Drinks As String
每个复选框都有以下代码及其文本。
Drinks = "Coke"
生成信息的按钮如下:
table.Rows.Add(Drinks.ToString)
DataGridView1.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill
DataGridView1.RowTemplate.Height = 100
DataGridView1.AllowUserToAddRows = False
DataGridView1.DataSource = table
因此,如果有人选择“ Checkbox1&Checkbox2”,如何获得datagridview列“ Drinks”以显示可乐和百事可乐?
创建字符串的基础是创建一个列表(复选框),使用它来查询选中了哪些复选框控件,例如
Public Class Form1
Public checkBoxList As List(Of CheckBox)
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim values As String = "Drinks " &
String.Join(" ", checkBoxList _
.Where(Function(cb) cb.Checked).Select(Function(cb) cb.Text))
' use values for placing into your DataGridView
End Sub
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
checkBoxList = New List(Of CheckBox) From {CheckBox1, CheckBox2, CheckBox3}
End Sub
End Class
我执行DropDownStyle = DropDownList并确保已选择项目的组合框
Public Class Form1
Private comboBoxList As List(Of ComboBox)
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim values As String = "Food " & String.Join(" ",
comboBoxList.Select(Function(cb) cb.Text))
Label1.Text = values
End Sub
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
comboBoxList = New List(Of ComboBox) From
{
ComboBox1,
ComboBox2,
ComboBox3,
ComboBox4
}
comboBoxList.ForEach(Sub(cb)
cb.DropDownStyle = ComboBoxStyle.DropDownList
cb.SelectedIndex = 0
End Sub)
End Sub
End Class
变化,我们不做初始选择。
Public Class Form1
Private comboBoxList As List(Of ComboBox)
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim values As String = "Food " & String.Join(" ",
comboBoxList.Where(Function(cb) Not String.IsNullOrWhiteSpace(cb.Text)) _
.Select(Function(cb) cb.Text))
Label1.Text = values
End Sub
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
comboBoxList = New List(Of ComboBox) From
{
ComboBox1,
ComboBox2,
ComboBox3,
ComboBox4
}
comboBoxList.ForEach(Sub(cb)
cb.DropDownStyle = ComboBoxStyle.DropDownList
End Sub)
End Sub
End Class
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.