I'm trying to implement an alert message within a Blazor component, but I'm unsure of the correct approach. My project is using ASP.NET Core 3.1 with Blazor server-side. Here's what I have attempted:
Component function:
private async Task ShowAlert()
{
await JSRuntime.InvokeAsync<object>("ShowMsg");
}
Javascript Interop:
function ShowMsg() {
success = "Success!";
return success;
}
File host.cshtml:
<script src="~/BlazorInterop.js"></script>
@page "/"
<button @onclick="MessageBox">Show Message</button>
@code
{
[Inject] IJSRuntime JSRuntime { get; set; }
protected async Task MessageBox()
{
await JSRuntime.InvokeVoidAsync("exampleJsFunctions.ShowMsg",
"Hello Blazor");
}
}
Place the script tag below
<script src="_framework/blazor.server.js"></script>_Host.cshtml file, like this:
<script src="_framework/blazor.server.js"></script>
<script>
window.exampleJsFunctions =
{
ShowMsg: function (message) {
window.alert(message);
}
};
</script>
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