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mirror of https://github.com/JKorf/CryptoExchange.Net.git synced 2026-08-20 04:42:57 +00:00
This commit is contained in:
Jkorf
2022-01-17 13:44:45 +01:00
parent e51b863242
commit b65669659d
9 changed files with 83 additions and 38 deletions
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@@ -1,6 +1,11 @@
---
title: FAQ
nav_order: 9
---
### I occasionally get a NullReferenceException, what's wrong?
You probably don't check the result status of a call and just assume the data is always there. `NullReferenceExecption`s will happen when you have code like this `var symbol = client.GetTickersAync().Result.Data.Symbol` because the `Data` property is null when the call fails. Instead check if the call is successful like this:
````C#
```csharp
var tickerResult = await client.GetTickersAync();
if(!tickerResult.Success)
{
@@ -11,12 +16,12 @@ else
// Handle result, it is now safe to access the Data property
var symbol = tickerResult.Data.Symbol;
}
````
```
### The socket client stops sending updates after a little while
You probably didn't keep a reference to the socket client and it got disposed.
Instead of subscribing like this:
````C#
```csharp
private void SomeMethod()
{
var socketClient = new BinanceSocketClient();
@@ -24,9 +29,9 @@ private void SomeMethod()
// Handle data
});
}
````
```
Subscribe like this:
````C#
```csharp
private BinanceSocketClient _socketClient = new BinanceSocketClient();
// .. rest of the class
@@ -38,4 +43,4 @@ private void SomeMethod()
});
}
````
```