小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;
using System.Data.SqlClient;

namespace AddData
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            string connstr = @"Data Source=ZHNDF9BTCCGAVKQ;Initial Catalog=MyDataBase;Integrated Security=True";//数据库连接字符串
            SqlConnection con = new SqlConnection(connstr);//创建Connection对象
            try
            {
                //插入数据的sql语句
                string sql = string.Format("insert into 学生信息 values('{0}','{1}',{2},'{3}','{4}')", this.txtName.Text.Trim(), this.txtSex.Text.Trim(), Convert.ToInt32(this.txtAge.Text), this.txtClass.Text.Trim(), this.txtPhone.Text.ToString());
                SqlCommand cmd = new SqlCommand(sql, con);//创建Command对象
                con.Open();//打开数据库连接
                cmd.ExecuteNonQuery();//执行sql语句
                MessageBox.Show("数据保存成功");
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);//异常处理
            }
            finally
            {
                con.Close();//关闭数据连接
            }
        }
    }
}
科老师你好在给我看看，谢谢