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Component Lifecycle
Components go through a series of lifecycle stages from initialization to disposal. Understanding these stages is crucial for proper component management.
Lifecycle Methods
Initialization
razor
@implements IDisposable
@code {
protected override void OnInitialized()
{
// Synchronous initialization
}
protected override async Task OnInitializedAsync()
{
// Asynchronous initialization
}
}
Parameter Setting
razor
@code {
protected override void OnParametersSet()
{
// Called after parameters are set
}
protected override async Task OnParametersSetAsync()
{
// Async version of OnParametersSet
}
}
Rendering
razor
@code {
protected override void OnAfterRender(bool firstRender)
{
if (firstRender)
{
// First time the component has rendered
}
}
protected override async Task OnAfterRenderAsync(bool firstRender)
{
// Async version of OnAfterRender
}
}
Disposal
razor
@code {
public void Dispose()
{
// Cleanup resources
}
public async ValueTask DisposeAsync()
{
// Async cleanup
}
}