gridview-

private void gridView1_RowCellClick(object sender, RowCellClickEventArgs e)
{
//及时更新点击行数据
this.gridView1.UpdateCurrentRow();
GridView view = (GridView)sender;
//点击行
DataRow dr = view.GetFocusedDataRow();
//设置列属性
gridView1.Columns[列名].OptionsColumn.AllowEdit = false;
gridView1.Columns[列名].OptionsColumn.ReadOnly = true;
｝

//http://www.cnblogs.com/wuhuacong/archive/2012/07/17/2595182.html

//将gridView1转换为datatable

m_tblDataList = ((DataView)this.gridView1.DataSource).Table.Copy();

//添加表格列

m_tblDataList.Columns.Add(t_stockindetail.gwet, typeof(float));

//设置表格列默认值
m_tblDataList.Columns[t_stockindetail.gwet].DefaultValue = 0;

//宽度自适应，可以出现滚动条

this.gridView1.BestFitColumns();

//宽度自适应，但是不出现滚动条

gridView1.OptionsView.ColumnAutoWidth = true;

namespace RowCellStyle
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void Form1_Load(object sender, EventArgs e)
{
DataTable dt = new DataTable();
dt.Columns.Add("a");
dt.Columns.Add("s");
dt.Columns.Add("d");
dt.Columns.Add("f");
DataRow dr = dt.NewRow();
dt.Rows.Add(dr);

gridControl1.DataSource = dt;
}

private void gridView1_CellValueChanged(object sender, DevExpress.XtraGrid.Views.Base.CellValueChangedEventArgs e)
{
try
{

DataTable dt = (DataTable)gridControl1.DataSource;
if (!string.IsNullOrEmpty(dt.Rows[(dt.Rows.Count - 1)]["a"].ToString()))
{
DataRow dr = dt.NewRow();
dt.Rows.Add(dr);

gridControl1.DataSource = dt;

}

bool isCheck = true;

for (int i = 0; i < dt.Rows.Count -2; i++)
{
if (dt.Rows[i]["a"].ToString().Equals(dt.Rows[(dt.Rows.Count - 2)]["a"].ToString()))
{
MessageBox.Show("主键不能相同");
isCheck = false;
break;
}
}

if (!isCheck)
{
return;
}
GridView view = (GridView)sender;
//获取选中行的列a的值
string str_a = view.GetFocusedRowCellValue("a").ToString();
SetGridStyle(str_a);
}
catch (Exception ex)
{

MessageBox.Show(ex.ToString());
}
}

private void gridView1_FocusedRowChanged(object sender, DevExpress.XtraGrid.Views.Base.FocusedRowChangedEventArgs e)
{
try
{
GridView view = (GridView)sender;
//获取选中行的列a的值
string str_a = view.GetFocusedRowCellValue("a").ToString();
SetGridStyle(str_a);

}
catch (Exception ex)
{

MessageBox.Show(ex.ToString());
}
}
/// <summary>
/// 点击行的主key（主key为空不能编辑点击行其他内容，反之可以）
/// </summary>
/// <param name="PrimarValue">主Key值</param>
private void SetGridStyle(string PrimarValue)
{
try
{
DataTable dt = (DataTable)gridControl1.DataSource;
gridView1.OptionsBehavior.Editable = true;
//如果主Key为空，设置除了主Key其他不可编辑
//如果主Key不为空，设置都可编辑
if (string.IsNullOrEmpty(PrimarValue))
{
foreach (DataColumn item in dt.Columns)
{
gridView1.Columns[item.ColumnName.ToString()].OptionsColumn.AllowEdit = false;
gridView1.Columns[item.ColumnName.ToString()].OptionsColumn.ReadOnly = true;
gridView1.Columns[item.ColumnName.ToString()].OptionsColumn.AllowFocus = false;
}
gridView1.Columns["a"].OptionsColumn.AllowFocus = true;
gridView1.Columns["a"].OptionsColumn.AllowEdit = true;
gridView1.Columns["a"].OptionsColumn.ReadOnly = false;
}
else
{
foreach (DataColumn item in dt.Columns)
{
gridView1.Columns[item.ColumnName.ToString()].OptionsColumn.AllowEdit = true;
gridView1.Columns[item.ColumnName.ToString()].OptionsColumn.ReadOnly = false;
gridView1.Columns[item.ColumnName.ToString()].OptionsColumn.AllowFocus = true;
}
}
}
catch (Exception ex)
{

MessageBox.Show(ex.ToString());
}
}
/// <summary>
/// 事件相当于一直在遍历所有cells
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void gridView1_RowCellStyle(object sender, RowCellStyleEventArgs e)
{
DevExpress.XtraGrid.Views.Grid.GridView view = sender as DevExpress.XtraGrid.Views.Grid.GridView;
//列名=a，值=1的标记为绿色
if (e.CellValue.ToString() == "1" && e.Column.FieldName.ToString().Equals("a"))
{
e.Appearance.BackColor = Color.FromArgb(128, 255, 128);
e.Column.DisplayFormat.FormatString = "yyyy-MM-dd HH:mm:ss";
e.Column.Width = 250;

}
}
}
}