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Reviewer's GuideThis PR upgrades the OpcDa sample to v9.0.3 by removing obsolete imports/constants, refactoring read and update logic to lookup by tag name, correcting subscription and browsing initializations, updating UI labels to use the primary tags, and bumping the project version. File-Level Changes
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Hey @ArgoZhang - I've reviewed your changes and they look great!
Prompt for AI Agents
Please address the comments from this code review:
## Individual Comments
### Comment 1
<location> `src/BootstrapBlazor.Server/Components/Samples/OpcDa.razor.cs:47` </location>
<code_context>
private void OnRead()
{
- var values = OpcDaServer.Read(Tag1, Tag2);
</code_context>
<issue_to_address>
Consider using dictionaries and TryGetValue to simplify tag lookups and reduce code nesting.
Here’s a way to keep exactly the same behavior but reduce both LOC and nesting by:
1. Turning your read/update lists into a `Dictionary<string, object?>` (via `ToDictionary`)
2. Looking up each tag just once with `TryGetValue`
3. Reverting the browse method back to a simple `ToList()` instead of the range‐operator hack.
---
**OnRead →**
```csharp
private void OnRead()
{
var values = OpcDaServer
.Read(Tag1, Tag2)
.ToDictionary(item => item.Name, item => item.Value);
if (values.TryGetValue(Tag1, out var raw1) && raw1 != null)
_tagValue1 = raw1.ToString();
if (values.TryGetValue(Tag2, out var raw2)
&& raw2 is int i2)
{
_tagValue2 = (i2 / 100d).ToString(CultureInfo.InvariantCulture);
}
}
```
**UpdateValues →**
```csharp
private void UpdateValues(List<OpcReadItem> items)
{
var values = items.ToDictionary(item => item.Name, item => item.Value);
if (values.TryGetValue(Tag3, out var raw3) && raw3 != null)
_tagValue3 = raw3.ToString();
if (values.TryGetValue(Tag4, out var raw4)
&& raw4 is int i4)
{
_tagValue4 = (i4 / 100d).ToString(CultureInfo.InvariantCulture);
}
InvokeAsync(StateHasChanged);
}
```
**OnBrowse →**
```csharp
private void OnBrowse()
{
_roots = OpcDaServer
.Browse("", new OpcBrowseFilters(), out _)
.Select(e => new TreeViewItem<OpcBrowseElement>(e)
{
Text = e.Name,
HasChildren = e.HasChildren,
Icon = "fa-solid fa-fw fa-cubes"
})
.ToList();
}
```
This keeps all behavior (including your `/100d` scaling) but avoids repeated LINQ searches, null‐check pods and the confusing new range operator.
</issue_to_address>Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #6600 +/- ##
=========================================
Coverage 100.00% 100.00%
=========================================
Files 739 739
Lines 31669 31669
Branches 4458 4458
=========================================
Hits 31669 31669
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fixes #6599
Summary By Copilot
Regression?
Risk
Verification
Packaging changes reviewed?
☑️ Self Check before Merge
Summary by Sourcery
Bump OpcDa package to v9.0.3 and refactor the sample component to simplify tag handling and value retrieval
Enhancements:
Build: