Winform中ComBox中SelectedValue和SelectedText的值不是同一组数据

界面：

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 ComBoxDemoWindowsFormsApp14
{public partial class Form1 : Form{public Form1(){InitializeComponent();initComBox();initData();}public void initComBox() {List<ComBoboxSource> my_room_sourceList = new List<ComBoboxSource>(){new ComBoboxSource(){text = "请选择房间",value = "-1"}};//for (int i = 1; i < 60; i++)//{//    ComBoboxSource my_source = new ComBoboxSource();//    my_source.text = "text" + i.ToString();//    my_source.value = "value" + i.ToString();//    my_room_sourceList.Add(my_source);//}ComBoboxSource my_source1 = new ComBoboxSource();my_source1.text = "编程测试房间";my_source1.value = "c29f738261be49df8624d93757a19801";my_room_sourceList.Add(my_source1);ComBoboxSource my_source2 = new ComBoboxSource();my_source2.text = "任泽明测试间";my_source2.value = "5aad0a7b69b14818a20074ea9769c1a3";my_room_sourceList.Add(my_source2);ComBoboxSource my_source3 = new ComBoboxSource();my_source3.text = "AI测试房间";my_source3.value = "c5c0e99a8277492eb1bd90a3ee207599";my_room_sourceList.Add(my_source3);ComBoboxSource my_source4 = new ComBoboxSource();my_source4.text = "机房";my_source4.value = "24655488d29d4a30be7f8ffaff43973f";my_room_sourceList.Add(my_source4);ComBoboxSource my_source5 = new ComBoboxSource();my_source5.text = "Bug测试";my_source5.value = "256738b72aed4d9983593ed481ba0054";my_room_sourceList.Add(my_source5);ComBoboxSource my_source6 = new ComBoboxSource();my_source6.text = "厨房";my_source6.value = "77c64891ab4f4184b4a3b0072f934393";my_room_sourceList.Add(my_source6);ComBoboxSource my_source7 = new ComBoboxSource();my_source7.text = "卧室333";my_source7.value = "ceb1e151f0ef41b5ade19016afd1b3d6";my_room_sourceList.Add(my_source7);ComBoboxSource my_source8 = new ComBoboxSource();my_source8.text = "卧室111";my_source8.value = "6d696c51280a4c68bcad66896f721f51";my_room_sourceList.Add(my_source8);ComBoboxSource my_source9 = new ComBoboxSource();my_source9.text = "房间11111";my_source9.value = "a8eac57824494f419cd0c4f0049d70e5";my_room_sourceList.Add(my_source9);ComBoboxSource my_source10 = new ComBoboxSource();my_source10.text = "测试房间1011111";my_source10.value = "06d6e171ae2b4189b049ce2633baab0b";my_room_sourceList.Add(my_source10);ComBoboxSource my_source11 = new ComBoboxSource();my_source11.text = "客厅1111111111111111111";my_source11.value = "e0e539ed79ee41819ce8a1ef96dfa03e";my_room_sourceList.Add(my_source11);ComBoboxSource my_source12 = new ComBoboxSource();my_source12.text = "测试房间";my_source12.value = "a5d4ee04d14e406a8f19c36ce02e08fc";my_room_sourceList.Add(my_source12);ComBoboxSource my_source13 = new ComBoboxSource();my_source13.text = "测试房间一";my_source13.value = "f51cd16256524135a35dd845a4bbd3d8";my_room_sourceList.Add(my_source13);ComBoboxSource my_source14 = new ComBoboxSource();my_source14.text = "测试房间二";my_source14.value = "9938fad639874b50a35549e8819c7106";my_room_sourceList.Add(my_source14);ComBoboxSource my_source15 = new ComBoboxSource();my_source15.text = "测试房间三";my_source15.value = "21b0cd77dbbd45e1a5cbf1aa8f30f2cb";my_room_sourceList.Add(my_source15);ComBoboxSource my_source16 = new ComBoboxSource();my_source16.text = "测试房间四";my_source16.value = "2bfb784b94a74cd7bb3c06c6df8ab7cb";my_room_sourceList.Add(my_source16);ComBoboxSource my_source17 = new ComBoboxSource();my_source17.text = "测试房间五";my_source17.value = "8e1f056f38ef49548a81bcb629a556e4";my_room_sourceList.Add(my_source17);ComBoboxSource my_source18 = new ComBoboxSource();my_source18.text = "测试房间六";my_source18.value = "6628999809cf4f9689f24997ca358454";my_room_sourceList.Add(my_source18);ComBoboxSource my_source19 = new ComBoboxSource();my_source19.text = "客厅";my_source19.value = "d893461611e04a66a4e5455c6a8944b0";my_room_sourceList.Add(my_source19);ComBoboxSource my_source20 = new ComBoboxSource();my_source20.text = "客厅---1";my_source20.value = "b0d5d9eaa06f4438861f97a92f8d0178";my_room_sourceList.Add(my_source20);ComBoboxSource my_source21 = new ComBoboxSource();my_source21.text = "客厅11111";my_source21.value = "81fcccecd56d4acfa443d85f4649d31f";my_room_sourceList.Add(my_source21);ComBoboxSource my_source22 = new ComBoboxSource();my_source22.text = "客厅";my_source22.value = "ecf7f3e4e8d141a8b60f2ddffc63f0bb";my_room_sourceList.Add(my_source22);ComBoboxSource my_source23 = new ComBoboxSource();my_source23.text = "测试海康设备";my_source23.value = "933701f391f24d68bb6f37af78f80f73";my_room_sourceList.Add(my_source23);ComBoboxSource my_source24 = new ComBoboxSource();my_source24.text = "门厅";my_source24.value = "b7708687ccb642748ef3cc16a6ea6c28";my_room_sourceList.Add(my_source24);ComBoboxSource my_source25 = new ComBoboxSource();my_source25.text = "客厅";my_source25.value = "f308a637ab884ea28ad4df59c4a6b546";my_room_sourceList.Add(my_source25);ComBoboxSource my_source26 = new ComBoboxSource();my_source26.text = "餐厅";my_source26.value = "5fab2d47072144c1a3d98c0a1a620f2f";my_room_sourceList.Add(my_source26);ComBoboxSource my_source27 = new ComBoboxSource();my_source27.text = "影院";my_source27.value = "5b26285f13964bb6a0b1953d887e969f";my_room_sourceList.Add(my_source27);ComBoboxSource my_source28 = new ComBoboxSource();my_source28.text = "卧室";my_source28.value = "09e7c85e28414bff94f66b208dc2bce0";my_room_sourceList.Add(my_source28);ComBoboxSource my_source29 = new ComBoboxSource();my_source29.text = "茶室";my_source29.value = "65ccc23d5eb94dba9452f58856418f78";my_room_sourceList.Add(my_source29);ComBoboxSource my_source30 = new ComBoboxSource();my_source30.text = "机房";my_source30.value = "289838ba6aa24a4383e4260e193e4c4f";my_room_sourceList.Add(my_source30);ComBoboxSource my_source31 = new ComBoboxSource();my_source31.text = "空调房间";my_source31.value = "5db5744245dc49928ed94a780ae086ca";my_room_sourceList.Add(my_source31);ComBoboxSource my_source32 = new ComBoboxSource();my_source32.text = "LORA设备";my_source32.value = "08af6f805d8d4a29bcce9082a30494ca";my_room_sourceList.Add(my_source32);ComBoboxSource my_source33 = new ComBoboxSource();my_source33.text = "新风房间";my_source33.value = "45ac3eb1650e48fc9c5de675acd5fe2e";my_room_sourceList.Add(my_source33);ComBoboxSource my_source34 = new ComBoboxSource();my_source34.text = "测试";my_source34.value = "41bc719bd15843288573ebd9f798dee9";my_room_sourceList.Add(my_source34);ComBoboxSource my_source35 = new ComBoboxSource();my_source35.text = "RGBW";my_source35.value = "7282fd861b304b38b470803b362bb60c";my_room_sourceList.Add(my_source35);ComBoboxSource my_source36 = new ComBoboxSource();my_source36.text = "客厅---3";my_source36.value = "082170d8cb9940d8b7195d94fe87ee51";my_room_sourceList.Add(my_source36);ComBoboxSource my_source37 = new ComBoboxSource();my_source37.text = "红外指令测试房间";my_source37.value = "4064ffc8273d4ca0a139c3906fc17631";my_room_sourceList.Add(my_source37);ComBoboxSource my_source38 = new ComBoboxSource();my_source38.text = "485指令测试房间";my_source38.value = "030920e8fd904c6ebcf1339fcbff7e89";my_room_sourceList.Add(my_source38);ComBoboxSource my_source39 = new ComBoboxSource();my_source39.text = "测试房间1";my_source39.value = "8653a5067c5c43b9b9aad02fe81e9f2a";my_room_sourceList.Add(my_source39);this.cmb_room.DataSource = my_room_sourceList;this.cmb_room.DisplayMember = "text";this.cmb_room.ValueMember = "value";#region ComBox1List<ComBoboxSource> my_device_sourceList = new List<ComBoboxSource>(){new ComBoboxSource(){text = "请选择设备",value = "-1"}};ComBoboxSource my_device1 = new ComBoboxSource();my_device1.text = "设备1";my_device1.value = "1";my_device_sourceList.Add(my_device1);ComBoboxSource my_device2 = new ComBoboxSource();my_device2.text = "设备42";my_device2.value = "42";my_device_sourceList.Add(my_device2);ComBoboxSource my_device3 = new ComBoboxSource();my_device3.text = "设备3";my_device3.value = "3";my_device_sourceList.Add(my_device3);ComBoboxSource my_device4 = new ComBoboxSource();my_device4.text = "设备4";my_device4.value = "4";my_device_sourceList.Add(my_device4);this.comboBox1.DataSource = my_device_sourceList;this.comboBox1.DisplayMember = "text";this.comboBox1.ValueMember = "value";#endregion}public void initData() {cmb_room.SelectedValue = "8653a5067c5c43b9b9aad02fe81e9f2a";comboBox1.SelectedValue = "4";}private void Form1_Load(object sender, EventArgs e){}private void button1_Click(object sender, EventArgs e){Console.WriteLine(cmb_room.SelectedValue.ToString());}private void button2_Click(object sender, EventArgs e){Console.WriteLine(comboBox1.SelectedValue.ToString());}private void comboBox1_SelectedValueChanged(object sender, EventArgs e){Console.WriteLine("comboBox1_SelectedValueChanged->"+comboBox1.SelectedValue.ToString());}}/// <summary>/// ComboBox数据源类/// </summary>public class ComBoboxSource{private string _text;public string text{get{return _text;}set{_text = value;}}private string _value;public string value{get{return _value;}set{_value = value;}}private string _key;public string key{get{return _key;}set{_key = value;}}private string _tootip;public string tootip{get{return _tootip;}set{_tootip = value;}}public ComBoboxSource(){}public ComBoboxSource(string text, string value){_text = text;_value = value;}}
}

结论：将DropDownStyle中的属性设置为DropDownList就可以解决这个问题。

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