Net MVC Html.TextArea tutorial with examples

HTML forms are an essential part of any web application, and the Textarea element is a commonly used component in such forms. The Html.TextArea tag helper in ASP.NET MVC provides an easy way to generate a textarea element, and it offers various attributes to customize the element to meet specific requirements. In this blog post, we will discuss some of the essential features of Html.TextArea and provide code examples for each of them.

  1. Add CSS Class to Html.TextArea
  2. The CSS class attribute is used to apply a particular style to an HTML element. To add a CSS class to an Html.TextArea element, we can use the following code:
    @Html.TextArea("content", null, new { @class = "form-control" })
    
    In the above example, we have added a CSS class "form-control" to the textarea element by using an anonymous object as the third parameter of the Html.TextArea helper.

  3. Add ID to Html.TextArea
  4. The id attribute is used to uniquely identify an HTML element. To add an id attribute to an Html.TextArea element, we can use the following code:
    @Html.TextArea("content", null, new { id = "myTextArea" })
    
    In the above example, we have added an id attribute "myTextArea" to the textarea element by using an anonymous object as the third parameter of the Html.TextArea helper.

  5. Add Html Attributes to Html.TextArea
  6. We can add any custom HTML attribute to an Html.TextArea element by using the third parameter of the Html.TextArea helper. To add custom HTML attributes, we can use the following code:
    @Html.TextArea("content", null, new { rows = "5", cols = "10" })
    
    In the above example, we have added two custom HTML attributes "rows" and "cols" to the textarea element by using an anonymous object as the third parameter of the Html.TextArea helper.

  7. Add Required Attribute to Html.TextArea
  8. The required attribute is used to make a form field mandatory. To add the required attribute to an Html.TextArea element, we can use the following code:
    @Html.TextArea("content", null, new { required = "required" })
    
    In the above example, we have added the required attribute to the textarea element by using an anonymous object as the third parameter of the Html.TextArea helper.

  9. Set Auto Focus to Html.TextArea
  10. The autofocus attribute is used to set the focus on an HTML element automatically when the page loads. To set the autofocus attribute to an Html.TextArea element, we can use the following code:
    @Html.TextArea("content", null, new { autofocus = "autofocus" })
    
    In the above example, we have set the autofocus attribute to the textarea element by using an anonymous object as the third parameter of the Html.TextArea helper.

  11. Set Size to Html.TextArea
  12. The rows and cols attributes are used to set the size of the textarea element. To set the size of an Html.TextArea element, we can use the following code:
    @Html.TextArea("content", null, new { rows = "5", cols = "10" })
    
    In the above example, we have set the number of rows to 5 and the number of columns to 10 for the textarea element by using an anonymous object as the third parameter of the Html.TextArea helper.

  13. Set Default Value to Html.TextArea
  14. We can set a default value for an Html.TextArea element by passing the value as the second parameter of the Html.TextArea helper. To set a default value, we can use the following code:
    @Html.TextArea("content", "Default Text", new { rows = "5", cols = "10" })
    
    In the above example, we have set the default value for the textarea element as "Default Text" by passing it as the second parameter of the Html.TextArea helper.

  15. Html.TextArea Make Readonly
  16. The readonly attribute is used to make an HTML element read-only, meaning that the user cannot modify the value of the element. To make an Html.TextArea element read-only, we can use the following code:
    @Html.TextArea("content", null, new { @readonly = "readonly" })
    
    In the above example, we have made the textarea element read-only by adding the readonly attribute to it.

  17. Set Max Length to Html.TextArea
  18. The maxlength attribute is used to limit the number of characters that can be entered in an HTML element. To set the maxlength attribute to an Html.TextArea element, we can use the following code:
    @Html.TextArea("content", null, new { maxlength = "50" })
    
    In the above example, we have set the maximum number of characters that can be entered in the textarea element to 50 by using the maxlength attribute.

Html.TextArea is a versatile tag helper that provides various attributes to customize the textarea element in HTML forms. In this blog post, we have discussed some of the essential features of Html.TextArea and provided code examples for each of them. By using these features, developers can easily customize the appearance and behavior of the textarea element to meet the specific requirements of their web applications.
 
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