要实现该功能，可通过非绑定列的方式来实现。具体实现方法如下：
1. 创建了一个非绑定列并设置其相应的属性，属性设置如下：
l FieldName设为 Image (该字段名必须是唯一的)
l UnboundType设为 UnboundColumnType.Object
l ColumnEdit设为RepositoryItemPictureEdit类的实例(该操作PictureEdit 为该列的内置编辑器)
DevExpress GridControl添加图片列动态加载图片.zip （57个子文件） 
201203010949502465 E001 bin Debug 
DevExpress.Data.v11.2.xml 796KB DevExpress.XtraEditors.v11.2.xml 1.18MB de DevExpress.XtraGrid.v11.2.resources.dll 44KB DevExpress.Data.v11.2.resources.dll 160KB DevExpress.XtraEditors.v11.2.resources.dll 48KB DevExpress.Utils.v11.2.resources.dll 32KB db.mdb 140KB
LoadExternalImages.vshost.exe 11KB DevExpress.XtraGrid.v11.2.xml 1.21MB LoadExternalImages.exe.config 144B ru DevExpress.XtraGrid.v11.2.resources.dll 52KB DevExpress.Data.v11.2.resources.dll 192KB DevExpress.XtraEditors.v11.2.resources.dll 76KB DevExpress.Utils.v11.2.resources.dll 48KB LoadExternalImages.pdb 18KB ja DevExpress.XtraGrid.v11.2.resources.dll 72KB DevExpress.Data.v11.2.resources.dll 180KB DevExpress.XtraEditors.v11.2.resources.dll 68KB DevExpress.Utils.v11.2.resources.dll 32KB LoadExternalImages.vshost.exe.config 144B DevExpress.Printing.v11.2.Core.dll 1.91MB DevExpress.Utils.v11.2.dll 3.31MB es DevExpress.XtraGrid.v11.2.resources.dll 44KB DevExpress.Data.v11.2.resources.dll 164KB DevExpress.XtraEditors.v11.2.resources.dll 64KB DevExpress.Utils.v11.2.resources.dll 32KB DevExpress.Data.v11.2.dll 2.55MB LoadExternalImages.vshost.exe.manifest 490B DevExpress.XtraGrid.v11.2.dll 1.85MB LoadExternalImages.exe 24KB DevExpress.XtraEditors.v11.2.dll 2.03MB DevExpress.Utils.v11.2.xml 399KB Images 
red.jpg 906B blue.jpg 892B white.jpg 633B yellow.jpg 719B orange.jpg 878B green.jpg 872B obj Debug GenerateResource.write.1.tlog 682B LoadExternalImages.pdb 18KB LoadExternalImages.Form1.resources 180B loadexternalimages.exe.licenses 617B
LoadExternalImages.csproj.FileListAbsolute.txt 7KB DesignTimeResolveAssemblyReferencesInput.cache 7KB ResolveAssemblyReference.cache 44KB DesignTimeResolveAssemblyReferences.cache 44KB GenerateResource.read.1.tlog 276B TempPE LoadExternalImages.exe 24KB db.mdb 140KB LoadExternalImages.csproj 8KB E001.suo 21KB E001.sln 1KB Form1.cs 10KB app.config 144B Form1.resx 6KB Properties licenses.licx 287B 说明.txt 302B
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