DisplayFormat 设置显示格式如:{0:P}表示显示为百分号模式。如数据源中为0.5。表示出来为50%

2、GridContro总合计及分组合计:

常规总合计直接RunDesigner-Group Summary Items

DisplayFormat 设置显示格式如:{0:P}表示显示为百分号模式。如数据源中为0.5。表示出来为50%

FieldName 设置显示的对应列

ShowInGroupColumnFooter 在那一列下面显示

SummaryType 合计方式。选择Custom表示自定义。CustomSummaryCalculate事件可处理

//Footer行自定义列合计
GridView view = sender as GridView;
if (e.Item == view.Columns["RateZk"].SummaryItem)
{
decimal x = Convert.ToDecimal(view.Columns["RetailFAmount"].SummaryItem.SummaryValue);
decimal y = Convert.ToDecimal(view.Columns["RetailAmount"].SummaryItem.SummaryValue);
view.Columns["RateZk"].SummaryItem.DisplayFormat = "{0:P}";
)
e.TotalValue = x / y;
else
e.TotalValue = ;
}

GridContro导出Excel操作:

SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Title = "导出Excel";
saveFileDialog.Filter = "Excel文件(*.xls)|*.xls";
DialogResult dialogResult = saveFileDialog.ShowDialog(this);
if (dialogResult == DialogResult.OK)
{
this.gvbrowse.OptionsPrint.AutoWidth = false; //设置导出的Excel自动调整列宽,列宽和控件的列宽一致
this.gcbrowse.ExportToXls(saveFileDialog.FileName);
//this.gcbrowse.ExportToXlsOld(saveFileDialog.FileName);//这个方法默认会自动调整列宽,但是office10以上版本有的会报错
DevExpress.XtraEditors.XtraMessageBox.Show("保存成功!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.gvbrowse.OptionsPrint.AutoWidth = true;
}

GridControl列要显示百分号:

Run Designer-Columns列 FormatType="Numeric" FormatString="p"

自动调整所有字段宽度  this.gridView1.BestFitColumns();

显示滚动条:gridView1.OptionsView.ColumnAutoWidth属性是true,即各列的宽度自动调整,你把它设成false,就会出现了。

设置奇、偶行交替颜色

  • OptionsView.EnableAppearanceEvenRow = true;OptionsView.EnableAppearanceOddRow = true;

MultiSelect = true;   //设置可多选

MultiSelectMode =CellSelect/RowSelect;//多选行还是多选单元格(一般选RowSelect)

//禁用标题行过滤

AllowFilter = false;

//禁用标题行排序

AllowSort = false;

//禁止列移动

AllowColumnMoving = false;

//禁止改变列宽

AllowColumnResizing = false;

FocusRectStyle = None; //取消点击后的虚线框

下拉框清空

1、清值 comboboxedit2.editvalue=null;

2、清列表 comboboxedit2.properties.items.clear();

GridView 设置选中行的颜色

GridView : Run Designer ->  Appearences : selectRow & FocusedRow (两项都要设置)

BackColor :  MediumSlateBlue  背景色

 ForeColor :  White    前景色 字体颜色

GridView 设置标题行以及内容行 数据居中

标题行 10 所述 在HeadPanel 里有一个TextOptions  展开之后 将HAlignment :  Center

如果是将内容行数据居中.有两种方法 1 : 逐行设置  2 : 设置Appearences

1 : GridView -> Run Designer -> Columns  -> AppearanceCell ->  TextOptions 找到HAlignment :  Center .

2 : GridView -> Run Designer -> Appearance ->  ViewCaption -> TextOptions -> HAlignment : Center

GridView 添加 序号 列

GridView : Run Designer ->  Event  -> CustomDrawRowIndicator

在事件中添加代码

public static void DrawRowIndicator(this GridView gridView, int width = , string headTitle = "行号")
{ gridView.CustomDrawRowIndicator += (sender, e) =>
{
e.Appearance.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
if (e.Info.Kind == DevExpress.Utils.Drawing.IndicatorKind.Header)
{
e.Appearance.DrawBackground(e.Cache, e.Bounds);
e.Appearance.DrawString(e.Cache, headTitle, e.Bounds);
e.Handled = true;
}
if (e.Info.IsRowIndicator)
{ if (e.RowHandle >= )
{
e.Info.DisplayText = (e.RowHandle + ).ToString();
}
else if (e.RowHandle < && e.RowHandle > -)
{
e.Info.Appearance.BackColor = System.Drawing.Color.AntiqueWhite;
e.Info.DisplayText = "G" + e.RowHandle.ToString();
}
}
};
gridView.IndicatorWidth = width != ? width : ;
}

另外在 Run Desginer ->  IndicatorWidth  设置序号列的宽度 一般50左右就比较适合一些了.

汉化按钮提示:

        public class ChEditLocalizer : Localizer
{
// 重载 GetLocalizedString 方法
public override string GetLocalizedString(StringId id)
{
switch (id)
{
//Button 按钮汉化
case StringId.XtraMessageBoxOkButtonText:
return "确认";
case StringId.XtraMessageBoxCancelButtonText:
return "取消";
case StringId.XtraMessageBoxAbortButtonText:
return "退出";
case StringId.XtraMessageBoxRetryButtonText:
return "重试";
case StringId.XtraMessageBoxIgnoreButtonText:
return "忽略";
case StringId.XtraMessageBoxYesButtonText:
return "是";
case StringId.XtraMessageBoxNoButtonText:
return "否";
}
return base.GetLocalizedString(id);
}
}
 public class XtraGrid_CN : GridLocalizer
{
public override string GetLocalizedString(GridStringId id)
{
switch(id)
{
case GridStringId.ColumnViewExceptionMessage:return "是否进行更正?";
}
return base.GetLocalizedString(id);
}
}

皮肤设置:

  DevExpress.UserSkins.OfficeSkins.Register(); //注册office的皮肤 请先加入引用office的dll文件,关于如何引用 请看下文
DevExpress.UserSkins.BonusSkins.Register(); //注册BonusSkins的皮肤
if (!DevExpress.Skins.SkinManager.AllowFormSkins)
DevExpress.Skins.SkinManager.EnableFormSkins();
DevExpress.LookAndFeel.UserLookAndFeel.Default.SkinName = "Black"; //默认黑背景

DevExpress实现GridView当无数据行时提示消息  https://ctolib.com/topics-51130.html

/// <summary>
/// 设置当没有数据行的提示信息『CustomDrawEmptyForeground』
/// </summary>
/// <param name="gridView">GridView</param>
/// <param name="e">CustomDrawEventArgs</param>
/// <param name="noRecordMsg">提示信息</param>
public static void DrawNoRowCountMessage(this GridView gridView, CustomDrawEventArgs e, string noRecordMsg)
{
if (gridView == null)
throw new ArgumentNullException("gridView");
if (gridView.RowCount == )
{
if (!string.IsNullOrEmpty(noRecordMsg))
{
Font _font = new Font("宋体", , FontStyle.Bold);
Rectangle _r = new Rectangle(e.Bounds.Left + , e.Bounds.Top + , e.Bounds.Width - , e.Bounds.Height - );
e.Graphics.DrawString(noRecordMsg, _font, Brushes.Black, _r);
}
}
}

代码使用方法如下:

private void gvLampTotal_CustomDrawEmptyForeground(object sender, DevExpress.XtraGrid.Views.Base.CustomDrawEventArgs e)
{
gvLampTotal.DrawNoRowCountMessage(e, "暂无符合的数据!");
}

DevExpress实现GridControl列头绘制Checkbox的方法  https://ctolib.com/topics-51144.html    http://aloysians.com/blog/getInfo/52837/1491226375

/// <summary>
/// 为列头绘制CheckBox
/// </summary>
/// <param name="view">GridView</param>
/// <param name="checkItem">RepositoryItemCheckEdit</param>
/// <param name="fieldName">需要绘制Checkbox的列名</param>
/// <param name="e">ColumnHeaderCustomDrawEventArgs</param>
public static void DrawHeaderCheckBox(this GridView view, RepositoryItemCheckEdit checkItem, string fieldName, ColumnHeaderCustomDrawEventArgs e)
{
/*说明:
*参考:https://www.devexpress.com/Support/Center/Question/Details/Q354489
*在CustomDrawColumnHeader中使用
*eg:
* private void gvCabChDetail_CustomDrawColumnHeader(object sender, DevExpress.XtraGrid.Views.Grid.ColumnHeaderCustomDrawEventArgs e)
* {
* GridView _view = sender as GridView;
* _view.DrawHeaderCheckBox(CheckItem, "Check", e);
* }
*/
if (e.Column != null && e.Column.FieldName.Equals(fieldName))
{
e.Info.InnerElements.Clear();
e.Painter.DrawObject(e.Info);
DrawCheckBox(checkItem, e.Graphics, e.Bounds, getCheckedCount(view, fieldName) == view.DataRowCount);
e.Handled = true;
}
}
private static void DrawCheckBox(RepositoryItemCheckEdit checkItem, Graphics g, Rectangle r, bool Checked)
{
CheckEditViewInfo _info;
CheckEditPainter _painter;
ControlGraphicsInfoArgs _args;
_info = checkItem.CreateViewInfo() as CheckEditViewInfo;
_painter = checkItem.CreatePainter() as CheckEditPainter;
_info.EditValue = Checked; _info.Bounds = r;
_info.PaintAppearance.ForeColor = Color.Black;
_info.CalcViewInfo(g);
_args = new ControlGraphicsInfoArgs(_info, new DevExpress.Utils.Drawing.GraphicsCache(g), r);
_painter.Draw(_args);
_args.Cache.Dispose();
}
private static int getCheckedCount(GridView view, string filedName)
{
int count = ;
for (int i = ; i < view.DataRowCount; i++)
{
object _cellValue = view.GetRowCellValue(i, view.Columns[filedName]);
if (_cellValue == null) continue;
if (string.IsNullOrEmpty(_cellValue.ToString().Trim())) continue;
bool _checkStatus = false;
if (bool.TryParse(_cellValue.ToString(), out _checkStatus))
{
if (_checkStatus)
count++;
}
}
return count;
}

使用方法如下:

RepositoryItemCheckEdit CheckItem = new RepositoryItemCheckEdit();
const string gcCheckFieldName = "Checked";
private void gvLampConfig_CustomDrawColumnHeader(object sender, ColumnHeaderCustomDrawEventArgs e)
{
GridView _view = sender as GridView;
_view.DrawHeaderCheckBox(CheckItem, gcCheckFieldName, e);
}

实际写法:

   private bool _mCheckStatus;     //选中状态

        private void gvCrabsRequisition_CustomDrawColumnHeader(object sender, DevExpress.XtraGrid.Views.Grid.ColumnHeaderCustomDrawEventArgs e)
{
if (e.Column != null && e.Column.FieldName == "CheckState")
{
e.Info.InnerElements.Clear();
e.Painter.DrawObject(e.Info);
DevControlHelper.DrawCheckBox(e, _mCheckStatus);
e.Handled = true;
}
} public static void DrawCheckBox(ColumnHeaderCustomDrawEventArgs e, bool chk)
{
var repositoryCheck = e.Column.ColumnEdit as RepositoryItemCheckEdit;
if (repositoryCheck == null) return;
var g = e.Graphics;
var r = e.Bounds; var info = repositoryCheck.CreateViewInfo() as CheckEditViewInfo; var painter = repositoryCheck.CreatePainter() as CheckEditPainter;
if (info == null) return;
info.EditValue = chk;
info.Bounds = r;
info.CalcViewInfo(g);
var args = new ControlGraphicsInfoArgs(info, new GraphicsCache(g), r);
painter?.Draw(args);
args.Cache.Dispose();
} private void gvCrabsRequisition_Click(object sender, EventArgs e)
{
if (DevControlHelper.ClickGridCheckBox(gvCrabsRequisition, "CheckState", _mCheckStatus))
{
_mCheckStatus = !_mCheckStatus;
}
}

默认的数字、日期等输入,都要切换输入法才可以输入,不能默认就支持数字的输入,那么是否有办法解决呢

记得逢数字,日期的控件,必须设置 ImeMode=Off 。

设置指定列可以编辑

        private void gvCrabsRequisition_ShowingEditor(object sender, CancelEventArgs e)
{
GridView _view = sender as GridView;
List<string> editList = new List<string>() { "colWarehouseRequisedActualAmountAdd", "colCheckState" };
if (editList.Contains(_view.FocusedColumn.Name) == false)
{
e.Cancel = true;
}
}

设置gridview默认属性

        /// <summary>
/// 设置girdView默认属性
/// </summary>
/// <param name="gv"></param>
public static void SetStyle(DevExpress.XtraGrid.Views.Grid.GridView gv)
{
/*
* author:wxm
* date :2014年7月25日10:59:08
* */
gv.OptionsView.ShowGroupPanel = false; //不允许自定义分组
gv.RowHeight = ; //行高22
gv.OptionsView.ShowFooter = false; //不显示页脚
//表头行高设置为24、分组行高设置为35(为仅有一级分组的行高)
gv.ColumnPanelRowHeight = ;
gv.GroupRowHeight = ;
//列表中最前面的空白列的宽度设置为12
gv.IndicatorWidth = ;
//设置列表是否多选、多选的模式(行或单元格)、选择的行或单元格背景是否倒置
gv.OptionsSelection.MultiSelect = false;
gv.OptionsSelection.MultiSelectMode = DevExpress.XtraGrid.Views.Grid.GridMultiSelectMode.RowSelect;
gv.OptionsSelection.InvertSelection = false;
gv.OptionsSelection.EnableAppearanceFocusedCell = false;
//允许编辑
gv.OptionsBehavior.Editable = true;
//不显示分组面板
gv.OptionsView.ShowGroupPanel = false;
//不允许用户进行过滤和分组
gv.OptionsCustomization.AllowFilter = false;
gv.OptionsCustomization.AllowGroup = false;
//允许用户拖动列和不允许进行列排序
gv.OptionsCustomization.AllowColumnMoving = true;
gv.OptionsCustomization.AllowSort = false;
//列标题垂直居中
gv.Appearance.HeaderPanel.Options.UseTextOptions = true;
gv.Appearance.HeaderPanel.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
gv.Appearance.HeaderPanel.TextOptions.VAlignment = DevExpress.Utils.VertAlignment.Center;
//将数据行内容垂直,文字左对齐,数字右对齐
//gv.Appearance.Row.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
//gv.Appearance.Row.TextOptions.VAlignment = DevExpress.Utils.VertAlignment.Center;
//HAlignment(水平位置):Far(数字右对齐)/Near(文字、日期左对齐)
//不显示右键菜单
gv.OptionsMenu.EnableColumnMenu = false;
//自动过滤时不显示过滤记录
gv.OptionsView.ShowFilterPanelMode = DevExpress.XtraGrid.Views.Base.ShowFilterPanelMode.Never;
}

参考:https://zhidao.baidu.com/question/1174521530470594219.html

校验数据有效性:

        /// <summary>
/// 校验更改后单元格数据有效性
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void gvCrabsRequisition_ValidateRow(object sender, DevExpress.XtraGrid.Views.Base.ValidateRowEventArgs e)
{
try
{
var list = gcCrabsRequisition.DataSource as List<GetCrabStockRequisitionItem>;
if (list.IsHasRow())
{
var lstCheck = list.Where(r => r.CheckState).ToList();
//选中1个才校验
if (lstCheck.Count == )
{
GridView view = sender as GridView;
GridColumn _productId = view.Columns["ProductId"];//原料Id
GridColumn _submitAmount = view.Columns["WarehouseRequisedActualAmountAdd"];//本次调拨数量
Guid productId = (Guid)view.GetRowCellValue(e.RowHandle, _productId);
var cellAmout = view.GetRowCellValue(e.RowHandle, _submitAmount);
decimal submitAmount = cellAmout.IsNull() ? : (decimal)cellAmout;
//var serachAmount = _kvSerchActualAmountList.FirstOrDefault(s => s.Key == productId).Value;
var regex = new Regex(@"^\d+$"); //正则 判断非负整数
if (regex.IsMatch(submitAmount.ToString()))
{
view.SetColumnError(_submitAmount,"本次调拨数量在更改后必须是正整数!");
}
//if (submitAmount > serachAmount)
//{
// e.Valid = false;
// view.SetColumnError(_submitAmount, "数量在更改后不能超过之前查询的结果值,请检查!");
// return;
//}
if (submitAmount <= || string.IsNullOrEmpty(submitAmount.ToString()))
{
e.Valid = false;
view.SetColumnError(_submitAmount, "数量在更改后大于0才能提交,请检查!");
return;
}
if (e.Valid)
{
view.ClearColumnErrors();
}
}
}
}
catch (Exception ex)
{
MessageCommon.ShowWar($"校验异常:{ex.Message}");
}
}

DevExpress中GridControl中实现checkbox多行选中

在我们要绑定的容器中添加一个新列

我用的是DataTable 在DataTable中添加一个新列代码如下

            //新建一个数据表 probll.GetProductAll自己写的方法
DataTable db = probll.GetProductAll(, pageIndex, "申请中", , out pageCount);
//在表中增加一个列 add(列名,列类型)
db.Columns.Add("check", typeof(bool));
//给每一行的该列赋值
for (int i = ; i < db.Rows.Count; i++)
{
db.Rows[i]["check"] = "false";
}

注意:新增列的类型为bool类型

设置可以多选

gridView1 .OptionsSelection.MultiSelect = true;
gridView1 .OptionsSelection.MultiSelectMode = DevExpress.XtraGrid.Views.Grid.GridMultiSelectMode.RowSelect;

设置获取选中行的需要值

string value="";
string strSelected="";
for (int i = ; i < gridView1.RowCount; i++)
{ // 获取选中行的check的值
value = gridView1.GetDataRow(i)["check"].ToString();
if (value == "True")
{
// productid 是我绑定数据表的字段 可以自己根据需求定义 这样就可以实现文中开始处的功能了
strSelected += gridView1.GetRowCellValue(i, "productid");
}
}

原文:http://blog.csdn.net/l1158513573/article/details/46502569

gridControl:给该列添加组件(如按钮)  三种方法
法一:打开设计器(Run Designer),选择左侧Repository,点击In-place Editor Repository(内嵌编辑器),点击Add右侧的下拉菜单 ,选择你想添加的控件,比如ComboBoxEdit,再在右侧编辑控件的属性,ComboBox的话就可以设置Data下的Items集合,然后点左侧 Main里的Columns,点你想在上头添加控件的列,找右侧Data下的ColumnEdit,点最右边的下拉菜单,点Existing左侧的加号,就能找 到你刚才的控件,添加。会默认给该列的每一个格都加上这个控件。 法二:点击你想添加控件的列标题,再点属性栏中的ColumnEdit,下拉菜单点new,选择想添加的控件,然后Column Edit左侧会出现加 号,展开加号,下方会出现许多子属性,这些都是设置内嵌的控件的属性的。
法三:直接写代码。
② 拖动一个gridControl控件,改变视图为BandedGridview,属性栏中点OptionView,选择NewItemRowPosition,选Bottom
②添加引用:usingDevExpress.XtraGrid.Views.BandedGrid;
form的构造函数中添加代码: BandedGridColumn newColumn = bandedGridView1.Columns.Add() as BandedGridColumn;
newColumn.Caption = "Country";
bandedGridView1.Bands[].Columns.Add(newColumn);
newColumn.Visible = true;
②(假设添加的控件是计算器)添加引用:usingDevExpress.XtraEditors.Repository;
form的构造函数中继续添加代码,效果图
RepositoryItemCalcEdit calcEdit = new RepositoryItemCalcEdit();
gridControl.RepositoryItems.Add(calcEdit);
newColumn.ColumnEdit = calcEdit;

原文: http://blog.csdn.net/qq_30756923/article/details/77982536  整理GridControl层级表格及按钮列

参考:

http://www.cnblogs.com/DeepLearing/p/3887601.html         DevExpress GridView 那些事儿

http://blog.csdn.net/wsnwxm/article/details/7486606    DevExpress控件汉化教程详解

http://blog.csdn.net/wsnwxm/article/details/7483900     DXperience皮肤设置 C#第三方控件学习笔记

http://group.pandorabox.cn/forum.php?mod=viewthread&tid=266  汉化提示

https://ctolib.com/topics-51073.html

DevExpress根据条件设置GridControl RepositoryItem(设定指定列)是否可编辑

http://www.cnblogs.com/DeepLearing/p/3927358.html 修改DevExpress中英文提示,将英文改为中文

http://www.cnblogs.com/YanZhiwei/p/3277455.html    [DevExpress]实现GridControl输入验证

http://www.cnblogs.com/wuhuacong/archive/2012/07/17/2595182.html   DevExpress控件开发常用要点(项目总结版)

http://blog.csdn.net/yangyifan0/article/details/11988585  DEVexpress GridControl 属性设置

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