数据库连接
代码说明:
本资源为连接数据库的基本操作, private void button3_Click(object sender, EventArgs e) { string user = textBox1.Text; string pwd = textBox2.Text; string code = textBox3.Text; //创建数据库连接类的对象 SqlConnection con = new SqlConnection("server=FSMOOTH-PC;database=zxl;user=sa;pwd=fsmooth19841019"); con.Open(); //执行con对象的函数,返回一个SqlCommand类型的对象 SqlCommand cmd = con.CreateCommand(); //拼写语句 cmd.CommandText = "update users set name="" + user + "",pwd="" + pwd + "" where code="
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