c# winform 关于DataGri…

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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.OracleClient;
using System.IO;
using System.Data.OleDb;
namespace TestMouseMove
{
public partial class Form3 : Form
{
public Form3()
{
InitializeComponent();
dgvLoad();
}
public void dgvLoad()
{
this.DataGridView1.Columns[0].HeaderCell.Value = "姓名";
this.DataGridView1.Columns[1].HeaderCell.Value = "字段2";
this.DataGridView1.Columns[2].HeaderCell.Value = "字段3";
this.DataGridView1.Columns[3].HeaderCell.Value = "字段4";
this.DataGridView1.Columns[4].HeaderCell.Value = "字段5";
this.DataGridView1.Rows.Add("黑色头发", "1行2列", "1行3列", "1行4列", "1行5列");
this.DataGridView1.Rows.Add("紫色头发", "2行2列aaaa", "2行3列", "2行4列", "2行5列");
this.DataGridView1.Rows.Add("蓝色头发", "3行2列", "3行3列", "3行4列", "3行5列");
this.DataGridView1.Rows.Add("红色头发", "4行2列", "4行3列", "4行4列", "4行5列");
this.DataGridView1.Rows.Add("棕色头发", "5行2列", "5行3列", "5行4列", "5行5列");
DataGridView1.ShowCellErrors = true;
//设定 (0, 0) 的单元格表示 Error图标
DataGridView1[3, 3].ErrorText = "这是单元格提示错误信息,也可以再行头显示这个错误提示信息";
//设定第4行(Index=3)的行头显示Error图标
//DataGridView1.Rows[0].ErrorText = "不能输入负值。";
}
private void button1_Click(object sender, EventArgs e)
{
// 设定 (1, 2) 为当前单元格
DataGridView1.CurrentCell = DataGridView1[1, 2];
}
private void button2_Click(object sender, EventArgs e)
{
// 取得当前单元格内容
MessageBox.Show(DataGridView1.CurrentCell.Value.ToString());
// 取得当前单元格的列 Index
MessageBox.Show(DataGridView1.CurrentCell.ColumnIndex.ToString());
// 取得当前单元格的行 Index
MessageBox.Show(DataGridView1.CurrentCell.RowIndex.ToString());
}
///
/// 向下遍历
///
///
///
private void button3_Click(object sender, EventArgs e)
{
int row = this.DataGridView1.CurrentRow.Index + 1;
if (row > this.DataGridView1.RowCount - 1)
row = 0;
this.DataGridView1.CurrentCell = this.DataGridView1[0, row];
}
///
/// 向上遍历
///
///
///
private void button4_Click(object sender, EventArgs e)
{
int row = this.DataGridView1.CurrentRow.Index - 1;
if (row < 0)
row = this.DataGridView1.RowCount - 1;
this.DataGridView1.CurrentCell = this.DataGridView1[0, row];
}
private void button5_Click(object sender, EventArgs e)
{
if (DataGridView1.ReadOnly)
{
// 取消 DataGridView1 为只读
DataGridView1.ReadOnly = false;
DataGridView1.DefaultCellStyle.BackColor = Color.White;
}
else
{
// 设置 DataGridView1 为只读
DataGridView1.ReadOnly = true;
DataGridView1.DefaultCellStyle.BackColor = Color.Gainsboro;
}
}
private void button6_Click(object sender, EventArgs e)
{
if (DataGridView1.Columns[1].ReadOnly)
{
// 设置 DataGridView1 的第2列整列单元格为只读并变色
DataGridView1.Columns[1].ReadOnly = false;
DataGridView1.Columns[1].DefaultCellStyle.BackColor = Color.White;
// 设置 DataGridView1 的第3行整行单元格为只读并变色
DataGridView1.Rows[2].ReadOnly = false;
DataGridView1.Rows[2].DefaultCellStyle.BackColor = Color.White;
// 设置 DataGridView1 的[0，0]单元格为只读并变色
DataGridView1[0, 0].ReadOnly = false;
DataGridView1.Rows[0].Cells[0].Style.BackColor = Color.White;
}
else
{
// 设置 DataGridView1 的第2列整列单元格为只读并变色
DataGridView1.Columns[1].ReadOnly = true;
DataGridView1.Columns[1].DefaultCellStyle.BackColor = Color.Gainsboro;
// 设置 DataGridView1 的第3行整行单元格为只读并变色
DataGridView1.Rows[2].ReadOnly = true;
DataGridView1.Rows[2].DefaultCellStyle.BackColor = Color.Gainsboro;
// 设置 DataGridView1 的[0，0]单元格为只读并变色
DataGridView1[0, 0].ReadOnly = true;
DataGridView1.Rows[0].Cells[0].Style.BackColor = Color.Gainsboro;
}
}
private void button7_Click(object sender, EventArgs e)
{
if (DataGridView1.EditMode.Equals(DataGridViewEditMode.EditOnEnter))
{
DataGridView1.EditMode = DataGridViewEditMode.EditProgrammatically;
DataGridView1.DefaultCellStyle.BackColor = Color.Red;
}
else
{
DataGridView1.EditMode = DataGridViewEditMode.EditOnEnter;
DataGridView1.DefaultCellStyle.BackColor = Color.White;
}
}
。。。。
}
}
}

转自：http://www.cnblogs.com/top5/archive/2010/06/28/1766545.html

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