根据条件改变DataGridView行的颜色可以使用RowPrePaint事件。
示例程序界面如下：
示例程序代码如下：
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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.Configuration;using System.Data.SqlClient;namespace DgvChangeColor{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } string strCon = ConfigurationManager.ConnectionStrings["DbConnection"].ConnectionString; private void Form1_Load(object sender, EventArgs e) { DataTable dt = GetDataSource(); this.DgvColor.DataSource = dt; } private void DgvColor_RowPrePaint(object sender, DataGridViewRowPrePaintEventArgs e) { if (e.RowIndex >= DgvColor.Rows.Count - 1) { return; } DataGridViewRow dr = (sender as DataGridView).Rows[e.RowIndex]; if (dr.Cells["项目代码"].Value.ToString().Trim().Equals("ACAC0001")) { // 设置单元格的背景色 dr.DefaultCellStyle.BackColor = Color.Yellow; // 设置单元格的前景色 dr.DefaultCellStyle.ForeColor = Color.Black; } else { dr.DefaultCellStyle.BackColor = Color.Blue; dr.DefaultCellStyle.ForeColor = Color.White; } } private DataTable GetDataSource() { DataTable dt = new DataTable(); SqlConnection conn = new SqlConnection(strCon); string strSQL = "SELECT XIANGMUCDDM AS '项目代码',XIANGMUMC AS '项目名称', DANJIA AS '单价',SHULIANG AS '数量' FROM InPatientBillDt WHERE 就诊ID='225600'"; SqlCommand cmd = new SqlCommand(strSQL, conn); SqlDataAdapter adapter = new SqlDataAdapter(); adapter.SelectCommand = cmd; try { conn.Open(); adapter.Fill(dt); } catch (Exception ex) { MessageBox.Show(ex.Message); } finally { conn.Close(); } return dt; } }} |
示例程序下载地址：点此下载
到此这篇关于C#开发WinForm根据条件改变DataGridView行颜色的文章就介绍到这了。希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://www.cnblogs.com/dotnet261010/p/8464343.html
