> For the complete documentation index, see [llms.txt](https://docs.iceteagroup.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.iceteagroup.com/general/framework/sql-support/sqlcontext.md).

# SqlContext

To be able to resolve bind variables at runtime, all code that uses *Sql* functions that need bind variables resolution is wrapped in a context tracking construct like the following:

```csharp
using (new SqlContext(this, locals))
{
 ...
}
```

This is the same technique used to track visual context switching using the [SalContext](https://iceteagroup.com/docs/html/salcontext.htm) class.

When entering the using block, a new instance of *SqlContext* is created and pushed onto an internal stack. The instance of *SqlContext* saves a reference to the local object instance (this) and a reference to the local variables extracted into SqlLocals (locals).

When the PPJ Framework needs to resolve bind variables, it looks into the *SqlContext* at the top of the stack, and then into the *SalContext* at the top of the stack.


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