Question
Answer and Explanation
To send a model to a controller using DevExtreme with Core MVC on form submit, you'll typically use DevExtreme's Form widget and configure it to serialize the form data into a model that can be received by your controller. Here's a breakdown of how to achieve this:
1. Set up your Core MVC Model:
- First, define the C# model that will represent the data you want to send from the form. For example:
public class MyModel
{
public string Name { get; set; }
public int Age { get; set; }
public bool IsActive { get; set; }
}
2. Create a Controller Action:
- Create a controller action that will receive the model. Make sure it's decorated with the [HttpPost] attribute:
[HttpPost]
public IActionResult SubmitForm(MyModel model)
{
if (ModelState.IsValid)
{
// Process the model data
return Ok("Data received successfully!");
}
return BadRequest(ModelState);
}
3. Implement the DevExtreme Form:
- In your Razor view, use the DevExtreme Form widget. Ensure that the `formData` option is bound to a JavaScript object that matches the properties of your C# model. Also, set the `onContentReady` event to initialize the form and the `onSubmit` event to handle the form submission.
<div id="formContainer"></div>
<script>
$(function() {
$("#formContainer").dxForm({
formData: {
Name: "",
Age: 0,
IsActive: false
},
items: [
{ dataField: "Name", label: { text: "Name" } },
{ dataField: "Age", label: { text: "Age" }, editorType: "dxNumberBox" },
{ dataField: "IsActive", label: { text: "Is Active" }, editorType: "dxCheckBox" }
],
onContentReady: function(e) {
e.component.option("submitButtonOptions", {
text: "Submit",
useSubmitBehavior: true
});
},
onSubmit: function(e) {
var formData = e.component.option("formData");
$.ajax({
url: "/YourController/SubmitForm", // Replace with your controller action URL
type: "POST",
data: formData,
success: function(result) {
alert(result);
},
error: function(error) {
alert("Error: " + JSON.stringify(error));
}
});
e.preventDefault();
}
});
});
</script>
4. Explanation:
- The `formData` option initializes the form with default values. The `items` array defines the form fields, mapping them to the properties of your model.
- The `onContentReady` event is used to customize the submit button.
- The `onSubmit` event handler prevents the default form submission and uses jQuery's `$.ajax` to send the form data to the controller. The `formData` is automatically serialized into a JSON object that matches the structure of your C# model.
5. Important Considerations:
- Ensure that the `url` in the `$.ajax` call matches the route to your controller action.
- Make sure you have included the necessary DevExtreme and jQuery libraries in your project.
- Handle errors and validation appropriately in both the client-side JavaScript and the server-side controller.
By following these steps, you can effectively use DevExtreme's Form widget to send a model to your Core MVC controller on form submit. This approach ensures that the data is correctly serialized and received by your server-side code.