DevExpress GridControl实现奇偶行变色及整行选中实现
背景
GridControl
实现的关键代码如下
窗体的调用代码如下
背景
由于最近项目中，客户指定界面组件要使用DevExpress第三方控件，因此就熟悉了DevExpress中常用控件的一些用法，现把一些重要控件的常见用法进行总结分享。
GridControl
在DevExpress中GridControl控件绝对算的上是一个 重量级控件，也算是最常用的控件之一。我的其中一个应用场景是简单的数据只读显示，要求奇偶行变色，选中行，背景色整体变色（默认选中行时，获取焦点的单元格背景色跟同行其他单元格的背景色是不同的）。先看一些最终的实现效果如下图：
实现的关键代码如下
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Wongoing.Gui.DataAnalysis.Common.GridControl
{
/// <summary>
/// Dev GridControl辅助类
/// </summary>
public class GridControlHelper
{
/// <summary>
/// 禁用选择行样式
/// </summary>
/// <param name="view"></param>
public static void DisableSelectStyle(DevExpress.XtraGrid.Views.Base.ColumnView view)
{
if (view is DevExpress.XtraGrid.Views.Grid.GridView)
{
DevExpress.XtraGrid.Views.Grid.GridView gridView = view as DevExpress.XtraGrid.Views.Grid.GridView;
gridView.FocusRectStyle = DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.None; //取消焦点框
gridView.OptionsSelection.EnableAppearanceFocusedCell = false; //禁用单元格焦点
gridView.OptionsSelection.EnableAppearanceFocusedRow = false; //禁用整行焦点
}
}
/// <summary>
/// 启用选择行样式
/// </summary>
/// <param name="view"></param>
public static void EnableSelectStyle(DevExpress.XtraGrid.Views.Base.ColumnView view)
{
if (view is DevExpress.XtraGrid.Views.Grid.GridView)
{
DevExpress.XtraGrid.Views.Grid.GridView gridView = view as DevExpress.XtraGrid.Views.Grid.GridView;
gridView.FocusRectStyle = DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.RowFullFocus; //设置焦点框为整行
gridView.OptionsSelection.EnableAppearanceFocusedCell = false; //禁用单元格焦点
gridView.OptionsSelection.EnableAppearanceFocusedRow = true; //启用整行焦点
}
}
/// <summary>
/// 设置样式
/// </summary>
/// <param name="view"></param>
public static void SetStyles(DevExpress.XtraGrid.Views.Base.ColumnView view)
{
if (view is DevExpress.XtraGrid.Views.Grid.GridView)
{
DevExpress.XtraGrid.Views.Grid.GridView gridView = view as DevExpress.XtraGrid.Views.Grid.GridView;
gridView.OptionsView.ShowGroupPanel = false; //隐藏最上面的GroupPanel
gridView.OptionsView.ShowIndicator = false; //隐藏指示列
gridView.FocusRectStyle = DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.None; //设置焦点框为整行
gridView.OptionsSelection.EnableAppearanceFocusedCell = false; //禁用单元格焦点
gridView.OptionsSelection.EnableAppearanceFocusedRow = true; //启用整行焦点
gridView.OptionsSelection.EnableAppearanceFocusedRow = true; //启用整行焦点
gridView.OptionsSelection.EnableAppearanceHideSelection = false;
gridView.OptionsView.EnableAppearanceEvenRow = true; //启用偶数行背景色
gridView.OptionsView.EnableAppearanceOddRow = true; //启用奇数行背景色
//gridView.Appearance.EvenRow.BackColor = System.Drawing.Color.FromArgb(150, 237, 243, 254); //设置偶数行背景色
//gridView.Appearance.OddRow.BackColor = System.Drawing.Color.FromArgb(150, 199, 237, 204); //设置奇数行背景色
//gridView.Appearance.FocusedRow.BackColor = System.Drawing.Color.Red;
//gridView.Appearance.SelectedRow.BackColor = System.Drawing.Color.Red;
}
//禁用自动生成列
view.OptionsBehavior.AutoPopulateColumns = false;
//禁用自动列宽
if (view is DevExpress.XtraGrid.Views.Grid.GridView)
{
(view as DevExpress.XtraGrid.Views.Grid.GridView).OptionsView.ColumnAutoWidth = false;
}
//禁用数据过滤面板
view.OptionsView.ShowFilterPanelMode = DevExpress.XtraGrid.Views.Base.ShowFilterPanelMode.Never;
#region 添加列
view.Columns.Clear();
int index = 0;
DevExpress.XtraGrid.Columns.GridColumn col = null;
col = new DevExpress.XtraGrid.Columns.GridColumn();
col.FieldName = "NodeText";
col.Caption = "文件名";
col.Width = 200;
col.VisibleIndex = index++;
view.Columns.Add(col);
col = new DevExpress.XtraGrid.Columns.GridColumn();
col.FieldName = "CreateDate";
col.Caption = "创建日期";
col.Width = 130;
col.VisibleIndex = index++;
view.Columns.Add(col);
col = new DevExpress.XtraGrid.Columns.GridColumn();
col.FieldName = "TaskFile";
col.Caption = "任务文件";
col.Width = 180;
col.VisibleIndex = index++;
view.Columns.Add(col);
col = new DevExpress.XtraGrid.Columns.GridColumn();
col.FieldName = "FullPath";
col.Caption = "完整路径";
col.Width = 180;
col.VisibleIndex = index++;
view.Columns.Add(col);
col = new DevExpress.XtraGrid.Columns.GridColumn();
col.FieldName = "Barcode";
col.Caption = "电池条码";
col.Width = 180;
col.VisibleIndex = index++;
view.Columns.Add(col);
#endregion
SetAllowEdit(view, false); //禁用编辑
SetAllowSort(view, DevExpress.Utils.DefaultBoolean.False); //禁用排序
SetAllowFilter(view, false); //禁用数据过滤
}
/// <summary>
/// 禁用编辑
/// </summary>
/// <param name="view"></param>
/// <param name="isAllow"></param>
public static void SetAllowEdit(DevExpress.XtraGrid.Views.Base.ColumnView view, bool isAllow)
{
foreach (DevExpress.XtraGrid.Columns.GridColumn col in view.Columns)
{
col.OptionsColumn.AllowEdit = isAllow;
}
}
/// <summary>
/// 禁用排序
/// </summary>
/// <param name="view"></param>
/// <param name="value"></param>
public static void SetAllowSort(DevExpress.XtraGrid.Views.Base.ColumnView view, DevExpress.Utils.DefaultBoolean value)
{
foreach (DevExpress.XtraGrid.Columns.GridColumn col in view.Columns)
{
col.OptionsColumn.AllowSort = value;
}
}
/// <summary>
/// 禁用数据过滤
/// </summary>
/// <param name="view"></param>
/// <param name="isAllow"></param>
public static void SetAllowFilter(DevExpress.XtraGrid.Views.Base.ColumnView view, bool isAllow)
{
foreach (DevExpress.XtraGrid.Columns.GridColumn col in view.Columns)
{
col.OptionsFilter.AllowAutoFilter = isAllow;
col.OptionsFilter.AllowFilter = isAllow;
}
}
}
}
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窗体的调用代码如下
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Linq;
using System.Windows.Forms;
using DevExpress.XtraEditors;
using ICSharpCode.Core;
using Wongoing.Gui.DataAnalysis.Common;
namespace Wongoing.Gui.DataAnalysis.Dialog
{
public partial class FrmSearch : DevExpress.XtraEditors.XtraForm
{
#region 字段定义
private string _SelectedFileId = String.Empty;
#endregion
#region 构造方法
public FrmSearch()
{
InitializeComponent();
}
#endregion
#region 属性定义
/// <summary>
/// 返回选中的文件Id
/// </summary>
public string SelectedFileId
{
get
{
return this._SelectedFileId;
}
}
#endregion
#region 事件处理
private void FrmSearch_Load(object sender, EventArgs e)
{
//设置GridControl样式
Common.GridControl.GridControlHelper.SetStyles(this.gridControl1.MainView as DevExpress.XtraGrid.Views.Base.ColumnView);
//订阅行点击事件
this.gridView1.RowClick += gridView1_RowClick;
}
//行点击事件处理
private void gridView1_RowClick(object sender, DevExpress.XtraGrid.Views.Grid.RowClickEventArgs e)
{
if (e.Button == System.Windows.Forms.MouseButtons.Left && e.Clicks == 1)
{
Common.GridControl.GridControlHelper.EnableSelectStyle(this.gridControl1.MainView as DevExpress.XtraGrid.Views.Base.ColumnView);
}
else if (e.Button == System.Windows.Forms.MouseButtons.Left && e.Clicks == 2)
{
this._SelectedFileId = GetSelectedFile(sender);
this.DialogResult = System.Windows.Forms.DialogResult.OK;
}
}
//查询按钮
private void btnSearch_Click(object sender, EventArgs e)
{
List<DataTreeNode> data = new List<DataTreeNode>();
data = DataTreeListHelper.ParseDir(Common.Global.AppConfig.TestDataDir, data);
var result = data.Where(p => p.NodeType == DataTreeNodeTypes.File);
if (ceKeyWord.Checked)
{
if (String.IsNullOrEmpty(this.txtKeyWork.Text))
{
string msg = "请输入关键字!";
DevExpress.XtraEditors.XtraMessageBox.Show(msg, Wongoing.Basic.LanguageHelper.Caption, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
else
{
result = result.Where(p => p.NodeText.ToLower().Contains(this.txtKeyWork.Text.ToLower()));
}
}
if (ceDateTime.Checked)
{
if (String.IsNullOrEmpty(this.deBeginDate.Text))
{
string msg = "请选择开始日期!"; ;
DevExpress.XtraEditors.XtraMessageBox.Show(msg, Wongoing.Basic.LanguageHelper.Caption, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (String.IsNullOrEmpty(this.deEndDate.Text))
{
string msg = "请选择结束日期!";
DevExpress.XtraEditors.XtraMessageBox.Show(msg, Wongoing.Basic.LanguageHelper.Caption, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
result = result.Where(p => Wongoing.Basic.DataProcessor.ConvertStrToDateTime(p.CreateDate) >= Wongoing.Basic.DataProcessor.ConvertStrToDateTime(this.deBeginDate.Text));
result = result.Where(p => Wongoing.Basic.DataProcessor.ConvertStrToDateTime(p.CreateDate) <= Wongoing.Basic.DataProcessor.ConvertStrToDateTime(this.deEndDate.Text));
Console.WriteLine(this.deBeginDate.Text);
Console.WriteLine(this.deEndDate.Text);
}
if (ceTaskFile.Checked)
{
if (String.IsNullOrEmpty(this.txtTaskFile.Text))
{
string msg = "请输入任务文件名!";
DevExpress.XtraEditors.XtraMessageBox.Show(msg, Wongoing.Basic.LanguageHelper.Caption, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
result = result.Where(p => p.NodeText.ToLower().Contains(this.txtTaskFile.Text.ToLower()));
}
if (ceBarcode.Checked)
{
if (String.IsNullOrEmpty(this.txtBarcode.Text))
{
string msg = "请输入电池条码!";
DevExpress.XtraEditors.XtraMessageBox.Show(msg, Wongoing.Basic.LanguageHelper.Caption, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
result = result.Where(p => p.NodeText.Contains(this.txtBarcode.Text));
}
this.gridControl1.DataSource = result;
Common.GridControl.GridControlHelper.DisableSelectStyle(this.gridControl1.MainView as DevExpress.XtraGrid.Views.Base.ColumnView);
}
//确定按钮
private void btnOK_Click(object sender, EventArgs e)
{
this._SelectedFileId = GetSelectedFile(sender);
if (String.IsNullOrEmpty(this._SelectedFileId))
{
string msg = "还没有选择任何文件!";
DevExpress.XtraEditors.XtraMessageBox.Show(msg, Wongoing.Basic.LanguageHelper.Caption, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
this.DialogResult = System.Windows.Forms.DialogResult.OK;
}
//取消按钮
private void btnCancel_Click(object sender, EventArgs e)
{
this.DialogResult = System.Windows.Forms.DialogResult.Cancel;
}
#endregion
#region 辅助方法
/// <summary>
/// 获取选中的文件信息
/// </summary>
/// <param name="sender"></param>
private string GetSelectedFile(object sender)
{
int[] selectedRowHandles = this.gridView1.GetSelectedRows();
if (selectedRowHandles.Length == 1)
{
object selectedRow = this.gridView1.GetRow(selectedRowHandles[0]);
if (selectedRow is Common.DataTreeNode)
{
Common.DataTreeNode currNode = selectedRow as Common.DataTreeNode;
return currNode.Id;
}
}
return String.Empty;
}
#endregion
}
}
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版权声明：本文为CSDN博主「CodingPioneer」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/zlbdmm/article/details/101596646