Telerik Blazor Textbox

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  • Blazor TextBox Additional Parameters

    You can control the appearance of the TextBox button by setting the following attribute:. You can increase or decrease the size of the TextBox by setting the Size attribute to a member of the Telerik.Blazor.ThemeConstants.TextBox.Size class:. The Rounded attribute applies the border-radius CSS rule to the textbox to achieve curving of the edges.

  • Notes

    You can set it to a member of the Telerik.Blazor.ThemeConstants.TextBox.Rounded class:. The built-in values of the Rounded attribute. The FillMode controls how the TelerikTextBox is filled.

  • ValueChanged

    You can set it to a member of the Telerik.Blazor.ThemeConstants.TextBox.FillMode class:. The Blazor Numeric Textbox component allows the user to enter decimal values and no text. The developer can control minimum, maximum values, steps and other elements of the UX. The NumericTextBox component is part of Telerik UI for Blazor, a professional grade UI library with 95+ native components for building modern and feature-rich applications.

  • Solution

    To try it out sign up for a free 30-day trial. Add the TelerikNumericTextBox tag to your razor page. Bind a numeric data type to the component. Optionally, set custom Format, Min, Max and Step values.

  • See Also

    The Numeric TextBox component is generic, meaning that it takes the type of its value parameter as an argument. It can take int, long, float, double and decimal values.

  • Parameters

    Therefore, the values for the Min, Max and Step properties must be of the same type as the Value, and the ValueChanged handler must also accommodate the corresponding value type. The Blazor Numeric TextBox generates events that you can handle and further customize its behavior. Read more about the Blazor Numeric TextBox events... You can ensure that the component value is acceptable by using the built-in validation.

    Read more about input validation... The Blazor Numeric TextBox allows you to define your desired custom format throu its Format parameter.

  • Component Reference

    Here are some examples of using custom format strings. The following parameters enable you to customize the appearance of the Blazor Numeric TextBox:. You can find more options for customizing the Numeric TextBox styling in the Appearance article.

  • Environment

    If you want to use a currency format, you must specify the culture for your app thread, so .NET knows what symbol to render. If you don't do that, you may see an unexpected/incorrect symbol or format. The Telerik Numeric Textbox uses the thread culture for currency signs and decimalr separators (more on globalization in the Telerik components).
  • Blazor TextBox TabIndex

    You may want to match the decimal places available in the Format and in the Decimals parameters. This will unify the rounding of the numbers when the input is focused and when it is not. For example, if you start with a value 12.3m and Step=0.1m it will render as 12.3 due to the Math.Round() behavior in .NET.

  • Blazor TextBox Password

    Changing the value with the spinner icons up and then down will result in 12.30 because the value had had a second decimal digit at some point and that precision is added to the number already. Here is an example of matching the decimal places:. This article explains the events available in the Telerik Textbox for Blazor:.

  • TextBox Validation Modes

    The OnChange event represents a user action - confirmation of the current value. It fires when the user presses Enter in the input, or when the input loses focus. The event is an EventCallback and it can be synchronous (return void), or it can also be asynchronous and return async Task. The OnChange event is a custom event and does not interfere with bindings, so you can use it together with models and forms.