组合框A到组合框B过滤起始字符从组合框A到组合框B匹配

12 23 3456 456 comboboxA comboboxB 1234567890 12 2345678901 23 3456789012 3456 4567890123 456Hi All,ComboBoxA change event to display comboboxB values filter by starting letters loading from two different tables.Pls help me.table1DigitalCode1234567890234567890134567890124567890123table2dgGrp12233456456comboboxA comboboxB1234567890 122345678901 233456789012 34564567890123 456推荐答案好吧，从我可以推断出你想做的事情我会使用以下内容：Well, from what I can deduce you wanna do I would use the following:using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace TestApp{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private string[] table2 = new string[] { "12", "23", "3456", "456" }; private void comboBoxA_SelectedIndexChanged(object sender, EventArgs e) { // Find filter char char selectedChar = comboBoxA.Text[0]; // Clear combo box comboBoxB.SelectedIndex = -1; comboBoxB.Items.Clear(); // Repopulate by selected char for (int i = 0; i < table2.Length; i++) { if (table2[i][0] == selectedChar) { comboBoxB.Items.Add(table2[i]); } } } }} 这篇关于组合框A到组合框B过滤起始字符从组合框A到组合框B匹配的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！ 上岸，阿里云！