DevExpress的GridControl的使用以及怎样添加列和绑定数据源

场景

winform控件-devexpress18下载安装注册以及在vs中使用：

https://blog.csdn.net/badao_liumang_qizhi/article/details/100061243

在上面搭建好devexpress的环境后，要使用其gridcontrol控件。

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实现

首先在窗体中拖拽一个gridcontrol

 

 

然后在窗体的load时事件中对其进行添加列和样式设置

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;

        }

 

进入设置样式的方法

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 = "dbname";
            col.caption = "数据库名";
            col.width = 200;
            col.visibleindex = index++;
            view.columns.add(col);

            col = new devexpress.xtragrid.columns.gridcolumn();
            col.fieldname = "shortnodetext";
            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
        }

 

在上面方法中进行样式的设置以及列的添加

注意在添加列时fieldname 属性要与将来设置数据源时的字段一致。

然后上面的禁用编辑的方法

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;
            }
        }

 

禁用排序的方法

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;
            }
        }

 

禁用数据过滤的方法

 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;
            }
        }

 

初始化完样式和添加列后就要设置数据源

首先新建一个实体对象，对象要有与上面添加列时fieldname 所对应的属性。

下面是部门字段和属性，其他省略

 

public class datatreenode
    {
        private string id;
        private string parentid;
        private string nodetext;
        private string createdate;
        private string fullpath;
        private string taskfile;
        private string barcode;
        private datatreenodetypes nodetype = datatreenodetypes.folder;

        /// <summary>
        /// 去掉扩展名的数据文件完整路径
        /// </summary>
        public string id
        {
            get { return id; }
            set { id = value; }
        }
        /// <summary>
        /// 父级节点的id
        /// </summary>
        public string parentid
        {
            get { return parentid; }
            set { parentid = value; }
        }
        /// <summary>
        /// 数据文件名称
        /// </summary>
        public string nodetext
        {
            get { return nodetext; }
            set { nodetext = value; }
        }
     }

 

构建数据源

list<datatreenode> data = new list<datatreenode>();
data = datatreelisthelper.parsedir(common.global.appconfig.testdatadir, data);
var result = data.where(p => p.nodetype = = datatreenodetypes.file);

 

首先声明上面实体对象的list，然后使用parsedir方法将文件目录进行递归查询。

然后进行筛选出文件类型。

然后可以直接设置数据源

this.gridcontrol1.datasource = result;