无法绑定多部件标识符textBox1.Text。无法绑定多部件标识符textBox2.Text。 [英] Multi part identifier textBox1.Text could not be bound. Multi part identifier textBox2.Text could not be bound.
本文介绍了无法绑定多部件标识符textBox1.Text。无法绑定多部件标识符textBox2.Text。的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
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 WindowsFormsApplication3
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button2_Click(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection
(@"Data Source=LEAPTHOUGHT\SQLEXPRESS;Initial Catalog=master;Integrated Security=True");
SqlDataAdapter sda = new SqlDataAdapter("Select Count(*) from Login where UserName = ''+textBox1.Text + '' and Password= ''+ textBox2.Text +'' ",conn);
DataTable dt = new DataTable();
sda.Fill(dt);
if (dt.Rows[0][0].ToString() == "1")
{
this.Hide();
Form2 form2 = new Form2();
form2.ShowDialog();
}
else
{
MessageBox.Show("Please check your login credentials");
}
}
private void button1_Click(object sender, EventArgs e)
{
this.Close();
}
}
}
推荐答案
将代码更改为
Change code to
SqlDataAdapter sda = new SqlDataAdapter("Select Count(*) from Login where UserName = '"+textBox1.Text + "' and Password= '"+ textBox2.Text +"' ",conn);
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