没法把textbox.text的内容写入数据库,不知道是错哪了
没法把textbox.text的内容写入数据库,不知道是哪里错了
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;
using System.Data.SqlClient;
namespace 连接数据库
{
public partial class Form3 : Form
{
public Form3(Form2 tg)
{
tg.Hide();
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
if(textBox1.Text==string.Empty||textBox2.Text==string.Empty)
{
MessageBox.Show("请至少填上体重及身高");
}
double Hight = Convert.ToDouble(textBox1.Text);
double Weight = Convert.ToDouble(textBox2.Text);
double BMI = Convert.ToDouble(Weight / Hight / Hight);
richTextBox1.Text = "您的身体BMI体质指数是" +"\n"+ BMI.ToString();
//设置richtextbox格式,文字输出在中间;
if(BMI>18.5&&BMI<23.9)
{
richTextBox1.Text = "您的身体BMI体质指数是" + "\n" + " " + BMI.ToString() + "\n" + " " + "体质指数属于正常范围(*^__^*) ";
}
else if(BMI<=18.5)
{
richTextBox1.Text = "您的身体BMI体质指数是" + "\n" + " " + BMI.ToString() + "\n" + " " + "体质指数属于消瘦范围O(∩_∩)O~";
}
else if(BMI>=24&&BMI<=28)
{
richTextBox1.Text = "您的身体BMI体质指数是" + "\n" + " " + BMI.ToString() + "\n" + " " + "体质指数属于超重范围!" + "\n" + " " + "建议适当控制饮食热量摄入,伴适量运动~";
}
else
{
richTextBox1.Text = "您的身体BMI体质指数是" + "\n" + " " + BMI.ToString() + "\n" + " " + "体质指数属于肥胖!" + "\n" + " " + "建议严肃控制饮食热量摄入,伴规律运动~";
}
this.richTextBox1.SelectionAlignment = HorizontalAlignment.Center;
this.textBox1.Focus();
}
private void textBox2_KeyPress(object sender, KeyPressEventArgs e)
{
////输入密码后点ENTER按键可执行计算;
if (e.KeyChar == (char)Keys.Enter)
{
button1_Click(this, e);