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[英]C# WPF: Removing items received in ListView.Selecteditems from list
[英]Removing items from a ListView in C#
我當前的代碼可以完美地將項目添加到ListView中,並且remove功能也可以正常運行! 然而! 有時,當我從列表視圖中刪除一個項目並嘗試添加另一個項目時,它不會為其添加適當的子項目。
我嘗試調試代碼並嘗試跟蹤變量,但無濟於事。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace ListViewExampleA
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
int a = 0;
private void button1_Click(object sender, EventArgs e)
{
// Insert name into column 1.
listView1.Items.Add(textBox1.Text);
// Insert country into column 2.
listView1.Items[a].SubItems.Add(textBox2.Text);
// Insert age into column 3.
listView1.Items[a].SubItems.Add(textBox3.Text);
// Increment i.
a++;
// Empty tbox1, 2, 3
textBox1.Text = "";
textBox2.Text = "";
textBox3.Text = "";
}
// The following event runs every time, the second button which is (Remove From The List) is clicked
private void button2_Click(object sender, EventArgs e)
{
// So we can work with them easier.
string name = textBox1.Text;
string country = textBox2.Text;
string age = textBox3.Text;
// If only name is written and the rest are empty
if (name != "" && country == "" && age == "")
{
for (int i = 0; i < listView1.Items.Count; i++)
{
listView1.Items.Remove(listView1.FindItemWithText(name));
a--;
}
}
// If only
}
}
}
您需要從頭開始刪除,否則將跳過項目
for (int i = listView1.Items.Count - 1; i >= 0; i--)
{
if(listView1.Items[i].Text == Name) listView1.Items[i].Remove();
}
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