Devexpress Gridview Data Validation, CommitEditing method. When a Grid View is bound to an object data source at runtime, you need to implement the CRUD logic required to edit data. Validation Jun 16, 2022 The ASPxEditors Suite allows you to validate data on both the client and server sides. Is there any best way to do this? Leverage the power of our Data Editors to display and manipulate data on-screen and apply data validation to maintain data consistency in your application: Edit Data. PopupEditForm. This demo illustrates ways in which you can include data validation in your next ASP. 2) filled with some numeric values, the grid is editable and the user can change those values. Thus, remove the [Required] data attribute from your model to solve this issue. Oct 29, 2020 · If you enter a string value into a column bound to a numeric data field, and then, press ENTER or try to move focus away from the cell, the grid validates data input and raises an error as the string cannot be converted to a numeric value. There is a single save and cancel button available for the rows on the details grid. Total summaries are aggregate function values calculated against all rows in the ASPxGridView, and displayed in the grid footer, provided that the Settings. [DevExpress Support Team: this thread was cloned from Q571612: ASPxGridView data validation in batch-edit mode] We are using two DevExpress grids in master detail mode. Hallo together, I have a editable grid and withfields and comboboxes and I want allow to save comboboxes with no values . The high-performance award-winning WinForms Data Grid control is a feature-complete editing and data shaping component for Visual Studio. To allow end-users to edit data using the built-in Edit Form, enable the data edit functionality and set the ASPxGridViewEditingSettings. FieldName properties refer to valid fields in a data source. This demo illustrates four built-in grid data Edit Modes. The built-in validation does not work with controls placed into an Edit Item template because editors' validation groups differ from the ASPxGridView validation group. Bound data columns display fields in ASPxGridView ‘s data source. Here is what I have: function fcnCheck() { The DevExpress ASP. NET MVC Data Editors support a model-based data validation approach. This can be useful to identify conflicts between values in different cells in the same data row (for example, a shipping date cannot be earlier than the order date). To check the validity of data in To allow end-users to manipulate grid data, add a command column to the grid’s column collection and specify which commands (New, Edit, Delete, Update, Cancel) can be used by end-users. Our Web Forms Data Grid allows end-users to manage/modify business data with ease and offers robust data filtering options to help address your toughest business challenge. ) support Microsoft Data Annotation Attributes. Same for the repository edit inside the Grid. This demo shows how to dynamically display a focused employee's photo and details outside the DevExpress ASP. Sep 14, 2025 · The Data Grid validates a data row when a user moves focus to another row. Jul 25, 2023 · Developer documentation for all DevExpress products. The FocusedRowChanged event is handled to call the OnGridFocusedRowChanged () function. I found an existing ticket that I think might solve, but I don't know C# and the solution provided was in C#. NET project. Unbound (‘dynamic’) columns are Grid columns that display any custom data. The Row and RowHandle properties return the processed row and the row’s handle, respectively. Starting Point Start with a project that has a Windows Form and an empty GridControl on it. ValidateCell event, and implement validation logic in the event handler. NET MVC GridView extension and DevExpress ASP. The GridView extension allows you to display data source fields and records as columns and rows in a table. Mode (using GridViewSettings. You can force editor validation in different ways (see the image below). When you change a row’s selection state (using the Check column or in code), the grid automatically updates the specified data source field. Jan 14, 2026 · The ASPxGridView allows you to manually validate the edited row and display errors for invalid fields. You can apply these attributes when you create a data source in code. But I find no way How do you enfource cell validation when loading new data to a gridview. Using ASPxGridview, I need to add a required field validation to 2 GridViewDataTextColumns if a GridViewDataCheckColumn is checked true. When a cell switches to edit mode, the grid invokes an in-place editor to modify grid data. Sync Selection with Data Source Specify the GridOptionsSelection. RowValidating event to validate grid rows on the server side. For example: I have GridLookupEdit outside of the GridControl that a user will select a product.