wxy新人小白 2019-07-25 17:07 采纳率: 31.3%
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3个combox选完后,结果全乱了,还有就是我想3个全选完后,再出结果,各位大神我该怎么改

图片说明图片说明图片说明图片说明

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        private SQLiteConnection m;
        private bool flag;

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            string dbPath = @"D:\历年高考分数.db";
            string sq = @"Data Source=" + dbPath;
            m = new SQLiteConnection(sq);
            m.Open();
            SQLiteDataAdapter mAdapter = new SQLiteDataAdapter("select para1,para2,para3 from 下拉框1", m);
            DataSet ds = new DataSet();
            mAdapter.Fill(ds);
            DataTable dt = ds.Tables[0];
            comboBox1.DataSource = dt;
            comboBox1.ValueMember = "para1";
            comboBox1.DisplayMember = "para1";
            comboBox2.DataSource = dt;
            comboBox2.ValueMember = "para2";
            comboBox2.DisplayMember = "para2";
            comboBox3.DataSource = dt;
            comboBox3.ValueMember = "para3";
            comboBox3.DisplayMember = "para3";
            //comboBox1.SelectedIndex = 0;
            m.Close();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            flag = true;
        }

        private void comboBox3_SelectedValueChanged(object sender, EventArgs e)
        {
            if (flag == true)//如果按钮被点击
            {
                if (comboBox1.Text == "CHR1" && comboBox2.Text == "1" && comboBox3.Text == "我")
                {

                    //return Creatchart1();
                    textBox1.Text = "1";

                }
                else if (comboBox1.Text == "CHR2" && comboBox2.Text == "1" && comboBox3.Text == "我")
                {
                    textBox2.Text = "2";
                }
                else if (comboBox1.Text == "CHR1" && comboBox2.Text == "2" && comboBox3.Text == "我")
                {
                    textBox3.Text = "3";
                }
                else if (comboBox1.Text == "CHR2" && comboBox2.Text == "2" && comboBox3.Text == "我")
                {
                    textBox4.Text = "4";
                }
                else if (comboBox1.Text == "CHR1" && comboBox2.Text == "1" && comboBox3.Text == "你")
                {

                    //return Creatchart1();
                    textBox5.Text = "5";

                }
                else if (comboBox1.Text == "CHR2" && comboBox2.Text == "1" && comboBox3.Text == "你")
                {
                    textBox6.Text = "6";
                }
                else if (comboBox1.Text == "CHR1" && comboBox2.Text == "2" && comboBox3.Text == "你")
                {
                    textBox7.Text = "7";
                }
                else if (comboBox1.Text == "CHR2" && comboBox2.Text == "2" && comboBox3.Text == "你")
                {
                    textBox8.Text = "8";
                }

            }
        }
    }
}

combox1可选CHR1,CHR2; combox2可选1,2; combox3可选我,你。
一个combox的值单选完CHR2或2或你后,自动选上(CHR2,2,你);单一个combox的值选完CHR1或1或我后,自动选上(CHR1,1,我);且3个combox的值仅能选这2种情况(被限定了)。右下角图为3个combox的值。
应该是3个combox的值选(CHR1,1,你)后出现textBox5.Text = "5";然而在3个combox的值选(CHR2,2,你)后出现textBox5.Text = "5";之后再3个combox的值选(CHR2,2,你)后出现textBox8.Text = "8"。
还有就是我想3个全选完后,再出结果,而不是只要combox3变了,就出结果,各位大神我该怎么改

  • 写回答

1条回答 默认 最新

  • [:Patrick Star]? 2019-07-26 14:21
    关注
        List<TextBox> tb = new List<TextBox>();
        string[] data = new string[]{"CHR11我","CHR21我",.......省略};
    
        tb.Add(textBox1);tb.Add(textBox2).......省略(放到Form1_Load)
    
        private void button29_Click(object sender, EventArgs e)
        {           
    
            for (int i = 0; i < data.Length; i++)
            {
                if(data[i] == comboBox1.Text +comboBox2.Text + comboBox3.Text)
                {
                    tb[i].Text = (i+1).ToString();
                }
            }
        }
    
    评论

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