devexpress training

1. devexpress grid: An error may occur when a parent-level grid is associated with a sub-grid: you cannot enable this constraint because not all values have corresponding parent values. Solution: Dsmain. relations. add ("Multicast information", dsmain. tables [0]. columns ["daypartid"], dsmain. tables [1]. columns ["daypartid"], false); // false indicates no parent-child constraints. Dsmain is dataset, tables [0] is the data source of the parent table

sender, Printdocumenteventargs e) { int pagecount = E.printdocument.printersettings.topage; E.printdocument.printersettings = prnsettings; If the report contains a different number of pages, and you need to print all pages, follow this step E.printdocument.printersettings.topage = PageCount; } Click to download examples of this site in addition to the note reproduced, are original site or translationWelcome to any form of reprint, but please be sure to indicate the source, respect for the achi

[Ilink32 Error] fatal:unable to open file ' Dxribboncustomizationform. OBJ ' Add the following file to the project:C:\Users\Public\Documents\Embarcadero\Studio\14.0\DCP\dxRibbonCustomizationFormRS20.lib [Ilink32 Error] fatal:unable to open file ' Dxlayoutlookandfeels. OBJ ' Add the following file to the project:C:\Users\Public\Documents\Embarcadero\Studio\14.0\DCP\dxLayoutControlRS20.lib [Ilink32 Error] fatal:unable to open file ' Cxbaredititem. OBJ ' Add the following file to the project:C

in the Web page with the Reportdocumentmap control. Sample code: Add a Document Map to Xrpanel XRPANEL.DATABINDS.ADD ("Bookmark", NULL, "Column", "formatstring:{0}"); 12. Other Do not use Reporttoolbar to print, export reports. Steps: 1. Set the Clientinstancename property of the ReportViewer control on a Web page (for example, viewer) 2. Add a Aspxbutton control to a Web page 3. Click Aspxbutton control's smart tag, cancel AutoPostBack, click client-side-events; 4. Add the following code in th

Use Tcxdblookupcombobox to set the following properties:1. Databinding.datasource: Data source for data-aware controls.2. Databinding.datafield: The connection field of the data-aware control.3, properties. Listsource:tcxdblookupcombobox drop-down list data source.4. Properties.keyfieldnames: The key field of the drop-down list (that is, the value of Cxdblookupcombobox1.editvalue).5. Properties.listcolumns: Set the drop-down list to display the columns (you can set multiple columns, and set thei

* from"+tablename+"where 1"; DataTable Dt_null= This. Getdatatable (x); stringT_fd_name =""; Fds_str=""; Fds_val=""; // Update_fds_str =""; // for(inti =0; I ) {T_fd_name=Dt_null. Columns[i]. ColumnName; //#region//INSERT statement string processing if(Fds_str = ="") {Fds_str=T_fd_name; Fds_val="@"+T_fd_name; } Else{fds_str+=","+T_fd_name; Fds_val+=",@"+T_fd_name; } //#endregion//#region//Modifying statemen

Chart Control WinForms Controls > Controls > Chart Control The DevExpress WinForms Charts Suite provides over different 2D and 3D chart types, ranging from simple bar and pie Cha RTS, to complex financial charts such as stock and candle stick charts. DevExpress WinForms Charts also give you the flexibility to bind to any datasource that supports the IList or IEnumerable Interface. And with

ForewordWe offer a set of build scripts to automate the rebuilding of our components from source code for those who have the dxperience enterprise or universal installed. the scripts (DOS batch files) are in the attached archives. please refer toReadme.txtDocument inside the archive for instructions. We still advise that you fully read this article to better understand the dependencies between our assemblies and the manual rebuild process. Let's consider rebuilding the xtragrid for example.To co

DevExpress and GridControl: how to add custom columns and override RepositoryItem How to add custom controls to XtraGrid How to add a self-created XtraEditors editing control to XtraGrid You can create a RepositoryItem derived class and declare the static constructor and Registration Method for it. To use it in the designer, you must add the UserRepositoryItemAttribute attribute tag to the registration method, you must also override the EditorTypeName

This article includes the Basics (GAC, assembly strong signature, friend assembly), compilation process, registering the GAC, adding toolboxes, multilanguage support, runtime, and design-Time debuggingSource Address link: http://pan.baidu.com/s/1eQm1ZFk Password: 39QWAbout compiling the source code, and then toss it too long, their own toss, to the official website toss, to Dxper toss, today, finally has an endCompiling the EnvironmentTools: Visual Studio 2010 Source: DXperience Source code14.2.

1 Set the default printing paper and margins Select Report-open the Properties window and set the default margin (margins) and default paper (paperkind ). 2 Repair Change Report Preview Default toolbar ( Winform ) Generally, the toolbar in the report preview can be used without modification. However, if you want to modify or add a new button to execute your own method, you need to modify the preview toolbar. 2.1Get default Toolbar

When developing individual projects, it is not convenient and ideal for a customer to reflect the default multiple-select GridView operation. To add a column to the left of the list, select the check box, in addition, it is best to support all the operations in the list header. Otherwise, when there is a large amount of data, you should select one by one. Based on the above requirements, I have found many examples for comparison and tested and improved the code, and finally completed the above f

refers to the details, if the page header data is 0 ). If (Mreportlayout. Length > 1 ) {Columnwidth = Pagewidth / Mdetailtablecolumncount;Tempheight = 0 ; For (Tempcount = 0 , I = 0 ; I Reportlayout [ 1 ]. Length; I ++ )Tempcount + = Convert. toint32 (reportlayout [ 1 ] [I] [ 2 ]);Xrtable detailtable = New Xrtable ();Detailtable. Location = New System. Drawing. Point ( 0 , Tempheight );Detailtable. Size = New System. Drawing. S

1. Devexpress. xtrareports: xrw.tgridDisplay timeFormat of "0: Change the summarytype of xrw.tgridfield1 to "Max" or "min "; In addition, when the cell formatting time is displayed together with the default date and time, If you only want to displayTime(Do not display the date Department) you only need to set cellformat in the xrw.tgridfield1 attribute to datetime "T" If you only want to displayDate(Do not display the time part) you only n

Devexpress is used today and I think about skin replacement. I have referred to Boyou.Devexpress skin change hands tutorial, This article has already enabled form skin replacement, but how to set the skin for opening the form in the future is not mentioned, but it can be implemented with a slight extension. I like simplification of complex problems. It is much easier to do so based on tannaiyin. Step 1All forms are inherited from

It is an eternal theme for software skin replacement. winforms skin replacement, and B/S skin replacement now. Haha.In devexpress, skin replacement is very simple. We don't need to create our own skin, so the official documents have a lot of skin packages. The following describes the problem.Note that devexpress 8.1.5 is used here and may not be supported in old versions. For the 7.x version, see Source cod

1. Specify a column for sorting Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Dgvcontent. Columns ["somefieldname"]. sortorder = devexpress. Data. columnsortorder. ascending; 2. For sorted data, do not want it to be sorted or specify another sort Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Dgvcontent. clearsorting (); 3. Specify tables to be sort

This article from: http://blog.csdn.net/educast/article/details/4730631 Devexpress is used today. I think about skin change. I have referred to the devexpress skin change hands tutorial of Boyou, This article has already enabled form skin replacement, but how to set the skin for opening the form in the future is not mentioned, but it can be implemented with a slight extension. I like simplification of com

In devexpress, skin replacement is very simple. We don't need to create our own skin, so the official documents have a lot of skin packages. The following describes the problem. Note: devexpress is used here.8.1.5, which may not be supported in the old version. For the 7.x version, seeSource code. Step 1: All forms are inherited from devexpress. xtraeditors. xtr

650) this.width=650; "Src=" http://www.webui8.com/Uploads/Product/developerexpress/devexpressexpressappframework/ 1.png "style=" height:auto;vertical-align:middle;border:0px; "/>650) this.width=650; "Src=" http://www.webui8.com/Uploads/Product/developerexpress/devexpressexpressappframework/ 2.png "style=" height:auto;vertical-align:middle;border:0px; "/>The EXPRESSAPP framework developed by Express provides an effective means for simple and rapid implementation of commercial applications. A powe