DataGridView控件使用Demo
2021-01-16 18:11
标签:排序 dataset reading else cells index collect event sort DataGridView控件使用Demo 标签:排序 dataset reading else cells index collect event sort 原文地址:https://www.cnblogs.com/monkey6/p/12218805.htmlusing 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;
using System.Data.Common;
namespace DataGridViewDemo
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
string conStr = "server=localhost;database=db_EMS;integrated security=true";
SqlConnection conn;
SqlDataAdapter da;
DataSet ds;
private void Form1_Load(object sender, EventArgs e)
{
//禁止添加行
dataGridView1.AllowUserToAddRows = false;
//禁止刪除行
dataGridView1.AllowUserToDeleteRows = false;
conn = new SqlConnection(conStr);
da = new SqlDataAdapter("select * from tb_pdic", conn);
ds = new DataSet();
da.Fill(ds);
dataGridView1.DataSource = ds.Tables[0];
//禁止對列進行排序(這個要在賦值datasource後)
for (int i = 0; i )
dataGridView1.Columns[i].SortMode = DataGridViewColumnSortMode.NotSortable;
//選中時選中整行
dataGridView1.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
//不同的行賦值不同的顏色
foreach(DataGridViewRow dgv in dataGridView1.Rows)
{
if(dgv.Index%2==0)
{
dataGridView1.Rows[dgv.Index].DefaultCellStyle.BackColor = Color.LightSalmon;
}
else
{
dataGridView1.Rows[dgv.Index].DefaultCellStyle.BackColor = Color.LightPink;
}
}
dataGridView1.ReadOnly = true;
//設置選中行的顏色
dataGridView1.DefaultCellStyle.SelectionBackColor = Color.LightSkyBlue;
}
private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
{
int id =(int) dataGridView1.Rows[e.RowIndex].Cells[0].Value;
conn = new SqlConnection(conStr);
da = new SqlDataAdapter("select * from tb_pdic where id=" + id, conn);
ds = new DataSet();
da.Fill(ds);
if (ds.Tables[0].Rows.Count > 0)
{
textBox1.Text = ds.Tables[0].Rows[0]["name"].ToString();
textBox2.Text = ds.Tables[0].Rows[0]["money"].ToString();
}
}
}
}