var 值类型
object 引用类型
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实现效果：
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实现代码：
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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namespace DataGridViewColor
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{
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public partial class Form1 : Form
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{
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public Form1()
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{
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InitializeComponent();
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}
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private void Form1_Load(object sender, EventArgs e)
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{
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// TODO: 这行代码将数据加载到表“companyDataSet.clerk”中。您可以根据需要移动或删除它。
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this.clerkTableAdapter.Fill(this.companyDataSet.clerk);
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}
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private void dataGridView1_RowPrePaint(object sender, DataGridViewRowPrePaintEventArgs e)
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{
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//判断索引有效范围
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if(e.RowIndex>=dataGridView1.Rows.Count-1) return;
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//存储原来的颜色值
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Color oldForeColor = new Color();
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Color oldBackColor = new Color();
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//判断传入的行是否为当前选中行
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var row=dataGridView1.Rows[e.RowIndex];
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if (row == dataGridView1.CurrentRow)
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{
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//设置前景色
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if (row.DefaultCellStyle.ForeColor != Color.White)
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{
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oldForeColor = row.DefaultCellStyle.ForeColor;
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row.DefaultCellStyle.ForeColor = Color.White;
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}
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//设置背景色
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if (row.DefaultCellStyle.BackColor != Color.Blue)
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{
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oldBackColor = row.DefaultCellStyle.BackColor;
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row.DefaultCellStyle.BackColor = Color.Blue;
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}
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}
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//未选中则恢复原来的颜色
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else
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{
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row.DefaultCellStyle.ForeColor = oldForeColor;
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row.DefaultCellStyle.BackColor = oldBackColor;
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}
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}
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}
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}
