In this article, we will add some features that make tdbgrid more user friendly and easy to use. Some of them are new and some of them can be found on the internet. How to place a drop down pick list into a dbgrid tech. Close the question if the information was not useful to you. The goal for the next component is to enhance the dbgrid with the same kind of custom output i used for the recordview component, directly displaying graphic and memo fields. Delphi trusted for over 23 years, our modern delphi is the preferred choice of object pascal developers worldwide for creating cool apps across devices. Many delphi components have useful properties and methods that are marked invisible protected to a delphi developer. The goal for the next component is to enhance the dbgrid with the same kind of. How do you change dbgrid options at runtime well, to begin with, your first post never describe what you want to do, its hard for us to help you if we do not know what you are going to. Tdbgridoption dgediting, dgalwaysshoweditor, dgtitles, dgindicator, dgcolumnresize. Dbgrid1, i want to create runtime cotext menu by right mouse click on the grid cell. Advdbgrid from tms software the grids from devexpress cheers, phillip flores. Stack overflow for teams is a private, secure spot for you and your coworkers to find and share information.
The default value for all the options is true enabled. Context help system custom multiline editor support for bidimode property xdbgrid component 2. In fact, if you leave the value of defaultdrawing set to true, the grid will display the default output before the method is called. Cindy components for delphi 7 and newer packages with 86 components for all delphi versions since d7 to build windows 3264 bit applicatio. Doing so is easy, because all you have to do is toggle the dgmultiselect element of the grids options property. Displaying and editing memo fields in delphis tdbgrid. Board index delphi setting dbgrid datasource at runtime. Changing color of dbgrid column title edit news group. How to place a drop down pick list into a dbgrid tech story. Multiselect grid with checkboxes in fixed column guide see dbgrid ms. Allaccess subscription to the entire product range.
Now, that you know what are lookup fields, and what are the options of displaying a lookup field in delphi s dbgrid, its time to see how to use the picklist property of a dgbrid column to enable a user to pick a value for a lookup field from a drop down list box. May 20, 2011 he is a software programmer since commodore 64 era. Hi since few days,i am trying to solve one problem, but still now not suscess i have a tdbgrid. When dgmultiselect is true, users can select multiple rows in a grid using the following techniques. We made three requests of the technical support personnel and despite the fact that these were all implementation questions not bugs in their software we received support within 24 hours. The row property of a tcustomdbgrid component holds the reference to the current active row.
Changing opendialog multiselect options at runtime. How do you change dbgrid options at runtime cppbuilder. Compiled in delphi 2007 with x dbgrid component professional. However, the function, event and property names are usually the same as in bcb, so it should give you some pointers on. In delphi 2006 my dbgrid worked fine with multiselect. Once you select this option, a user can keep the ctrl. Besides writing brandnew custom dataaware components, its common for delphi programmers to customize the dbgrid control. For this reason, the program doesnt try to set the height of an individual row to suit. Refreshing dbadvgrid tms software product support forums. This technique demonstrates how to dynamically change the color of text in a dbgrid. Delphi components dbgrid, dbtreeview, dbchecklistbox, htmllabel, html listview hint, stringgrid, tab page.
Changing color of dbgrid column title edit hi all a trivial issue i thought but on trying to change the color of a title cell in a particular column of a dbgrid component in delphi xe3 i cant get this to happen at either design time using the object inspector or at runtime using a statement like. It is derived from dbgrid and can simply replace a standard dbgrid without losing current column settings and with no code modification unlike other complicated and. For example, if i right click on the dbgrid cell then it will check the value of the selected cell and if the value is true only then it will show the popup menu. How to use the listview and combobox javafx controls example program. Changing the options property of a dbgrid when in runtime. You may utilize andor modify this product for use in your compiled applications. Aug 31, 2011 besides writing brandnew custom dataaware components, its common for delphi programmers to customize the dbgrid control. You can set up the dbgrid so that a user can select multiple rows that is, multiple records. Bookmark data will vary with the database driver and index configuration, and it may be rendered. Add the result is all the original columns are removed from the grid, and a new column without a title is added. Below, well take a look at how to add some more features to your database applications that your users are sure to love.
In addition to writing new, custom, dataaware components, delphi programmers commonly customize the dbgrid control. How to sort records in delphi dbgrid by column title. Well accomplish this through the tcolumns property of the grid. Find tutorials, tips, and techniques to help you build databases using the delphi programming language. Quote i would not be posting if i could find the answer in the help or various books i have on borland products. If the column is of boolean type, then a checkbox will appear. Database desktop open and detach option in delphi 2. Borland tdbgrid support testcomplete documentation. Its a long time since tdbgrid has been released and there is no major change in the behavior of this component till now. It is derived from dbgrid and can simply replace a standard dbgrid without losing current column settings and with no code modification unlike other complicated and dbgridincompatible components. Subsequent calls to the same add method result in new columns. Its main purpose is to display and enable users of your application to manipulate records from a dataset in a tabular grid. As such, it is designed for use with win32, win64, macos, ios and android operating systems. The first and easiest thing you can do to visually enhance the user interface is to color individual columns in the dataaware grid.
Since few days,i am trying to solve one problem, but still now not suscess i have a tdbgrid. These resources cover sql server, access, firebird, and more. In order to correctly set the active record, we need to hack a dbgrid and get our hands on the protected row property. The second example of customizing the dbgrid control relates to multiple selection. Xfiles components download the best advanced dbgrid. Net runtime library for delphi cnclrlibrary is the best library to work with. The goal for the next component is to enhance the dbgrid with the same kind of custom output ive used for the recordview component, directly displaying graphic and memo fields.
By default, this group contains the following item. Assign different datasource to only one dbgrid one at a time. Find out how to select make active and highlight change the color, font, etc. Delphi dbgrid can grant your users the ability to select multiple records. This article shows you how to put a checkbox in a dbgrid. Showgroupvalueswithimages property is set to true if this column uses. It is rare to get such good customer support these days and i really appreciate everything componentace has done for us. New options dgautounselectoff, dgextendedselect new properties selectionanchor, dragrows.
I would hold down the control key and click the mouse to select multiple rows of the grid, and then use the selectedrows property to do whatever it is that i want to do with them. All new properties can be set very easily with the design time. Context help system custom multiline editor support for bidimode property x dbgrid component 2. Heres how to place just about any delphi control visual component into a cell of a dgbrid, such as checkboxes using a tchekbox control.
For example, if i right click on the dbgrid cell then it will check the. Delphi dbgrid multiselect explanation and example thoughtco. How to multiselect in the delphi dbgrid how to multiselect in the delphi dbgrid. Solution alternate a group of line dbgrid delphi 7. Changing color of dbgrid column title edit embarcadero. Select the grid component in the form and invoke the columns editor by doubleclicking the grids columns property in the object inspector. Find answers to deselect selection in dbgrid from the expert community at experts exchange. Mark pritchard in the onselectcell event, this works fine every even column is editable. To thoroughly customize the drawing of a dbgrid control, you have to set its defaultdrawing property to false and handle its ondrawcolumncell event. The controls class name must be specified in the borland controls dbgrid group of your projects object mapping options. After a few days, i found out what the problem was, so ill post the solution here to help others who might have the same problem. To thoroughly customize the drawing of a dbgrid control, you must set its.
Im trying to add a new dbgrid column at runtime by calling the add method like this. Displaying and editing memo fields in delphi s tdbgrid april 19, 2017 delphi, programing if you are developing database applications with tables containing memo fields, youll notice that, by default, the tdbgrid component does not show the contents of a memo field inside a dbgrid cell. Changing cell and font colors at runtime were currently using ondrawcolumncell to change the color of the text and background in a cell according to its value eg. Displaying and editing memo fields in delphis tdbgrid april 19, 2017 delphi, programing if you are developing database applications with tables containing memo fields, youll notice that, by default, the tdbgrid component does not show the contents of a memo field inside a dbgrid cell.
Produced many software products with delphi and sql server. See how to retrieve, display, and edit microsoft excel spreadsheets with ado dbgo and delphi to learn how to connect to excel, retrieve the sheet data, and enable that data to be edited using the dbgrid. Displaying and editing memo fields in delphi s tdbgrid tech. If you want to color the selected row in a dbgrid but you dont want to use the dgrowselect option because you want to be able to edit the data, you should instead use the dbgrid. Allow column resize, disable column move about delphi programming tdbgrid when column resizing is enabled for a dbgrid by default, options property includes the dgcolumnresize flag users of your application can also rearrange move the columns. Delphi s dbgrid is one of the mostly used db aware component in database related applications. In fact, if you leave the value of defaultdrawing set to true, the grid will display the default output before the method is. Youll also find a list of most common errors that might show while in the process, plus how to deal with them. Accept a comment as answer use the button next to the experts name.
Jan 28, 2019 delphi dbgrid is such a powerful component that youre probably using it every day if youre developing dataaware applications. Tms software tms fmx grid developers guide introduction the tms fmx grid offers a fully crossplatform, highperforming, versatile and feature packed grid for the embarcadero crossplatform framework firemonkey. It is designed to provide a way to interact with applications written in anyone of the. Board index cppbuilder how do you change dbgrid options at runtime. Now, that you know what are lookup fields, and what are the options of displaying a lookup field in delphis dbgrid, its time to see how to use the picklist property of a dgbrid column to enable a user.
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