Building CSS Using TagBuilder in .NET Core

Can you provide guidance on utilizing the Tag Builder CSS Class?

I am interested in integrating it into a style class

.custom-image {
max-width: 100%;
max-height: 100%;
padding: 0;
background-color: white;
}

TagBuilder image = new TagBuilder("img");

What is the process for including additional attributes?

Answer №1

Let me illustrate an example here without using any provided styles or context, just showcasing in two different ways. In this particular demonstration, I have introduced two unique custom tags.https://i.stack.imgur.com/1KY3W.png

Next, let's incorporate the following style guidelines.

<style>
    .black-div {
        height:40px;
        width: 40px;
        background-color: black;
    }
</style>

These are the two tag assistants that correspond to the previously mentioned tags.

[HtmlTargetElement("div-with-class")]
public class ClassTagHelper : TagHelper
{
    public override void Process(TagHelperContext context, TagHelperOutput output)
    {
        output.TagName = "div";
        output.Attributes.SetAttribute("class", "black-div");
    }
}
[HtmlTargetElement("div-with-style")]
public class StyleTagHelper : TagHelper
{
    public override void Process(TagHelperContext context, TagHelperOutput output)
    {
        output.TagName = "div";
        output.Attributes.SetAttribute("style", "height:40px;width: 40px;background-color: black;");
    }
}

I hope this explanation is beneficial!

Answer №2

To streamline your CSS styles, consider consolidating them into a dedicated class within your main CSS file.

<style>
.myImage {
    max-width: 100%;
    max-height: 100%;
    padding: 0px;
    background-color: white;
}
</style>

Then, utilize the following code snippet to apply the CSS class:

TagBuilder builder = new TagBuilder("img");
builder.AddCssClass("myImage");
builder.MergeAttribute("src", url);
builder.MergeAttribute("alt", "AltImage");

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