📄 depotform.cs
字号:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace Elysian
{
public partial class depotForm : Form
{
SqlConnection sqlconn;
SqlDataAdapter adapter;
DataSet ds = new DataSet();
public depotForm()
{
InitializeComponent();
}
private static string GetConnectionString()
{
return "data source=.;initial catalog=ElysianDB;integrated security=true";
}
private void button2_Click(object sender, EventArgs e)
{
this.Close();
}
private void button1_Click(object sender, EventArgs e)
{
string selectStr = string.Empty;
selectStr = "select * from 库存表";
if (textBox1.Text != "")
{
selectStr = selectStr + " " + "where 商品编号='" + textBox1.Text + "'";
if (textBox2.Text != "")
{
selectStr = selectStr + " " + "and 商品名称='" + textBox2.Text + "'";
}
}
else
{
if (textBox2.Text != "")
{
selectStr = selectStr + " " + "where 商品名称='" + textBox2.Text + "'";
}
else
{
MessageBox.Show("请您输入要查询的信息");
}
}
sqlconn = new SqlConnection(GetConnectionString());
SqlCommand sqlcomm = new SqlCommand();
sqlcomm.CommandText = selectStr;
sqlcomm.Connection = sqlconn;
sqlconn.Open();
ds.Clear();
adapter = new SqlDataAdapter(sqlcomm);
adapter.Fill(ds, "库存表");
dataGridView1.DataSource = ds.Tables[0];
sqlconn.Close();
textBox1.Text = "";
textBox2.Text = "";
}
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -