# IBinding

Namespace: **Wisej.Web**

Assembly: **Wisej.Framework** (4.0.0.0)

Defines a component's binding instance.

{% tabs %}
{% tab title="C#" %}

```csharp
public interface IBinding
```

{% endtab %}

{% tab title="VB.NET" %}

```visual-basic
Public Interface IBinding
```

{% endtab %}
{% endtabs %}

## Properties

### ![](/files/hsR4ok3152WyAf8J2C1u) BindableComponent

[IBindableComponent](/api/wisej.web/data-binding/wisej.web.ibindablecomponent.md): Returns the [IBindableComponent](/api/wisej.web/data-binding/wisej.web.ibindablecomponent.md).

### ![](/files/hsR4ok3152WyAf8J2C1u) BindingMemberInfo

[BindingMemberInfo](/api/wisej.web/data-binding/wisej.web.bindingmemberinfo.md): Return the binding information based on the dataMember parameter in the [#ctor](https://docs.wisej.com/api/wisej.web/data-binding/pages/mgtxNrlMnExaU2TzhkkI##ctor) constructor.

### ![](/files/hsR4ok3152WyAf8J2C1u) ControlUpdateMode

[ControlUpdateMode](/api/wisej.web/data-binding/wisej.web.controlupdatemode.md): Returns or sets when changes to the data source are propagated to the bound control property.

### ![](/files/hsR4ok3152WyAf8J2C1u) DataSource

[Object](https://docs.microsoft.com/dotnet/api/system.object): Returns the data source for this binding.

### ![](/files/hsR4ok3152WyAf8J2C1u) DataSourceNullValue

[Object](https://docs.microsoft.com/dotnet/api/system.object): Returns or sets the value to be stored in the data source if the control value is null or empty.

### ![](/files/hsR4ok3152WyAf8J2C1u) DataSourceUpdateMode

[DataSourceUpdateMode](/api/wisej.web/data-binding/wisej.web.datasourceupdatemode.md): Returns or sets a value that indicates when changes to the bound control property are propagated to the data source.

### ![](/files/hsR4ok3152WyAf8J2C1u) FormatInfo

[IFormatProvider](https://docs.microsoft.com/dotnet/api/system.iformatprovider): Returns or sets the [IFormatProvider](https://docs.microsoft.com/dotnet/api/system.iformatprovider) that provides custom formatting behavior.

### ![](/files/hsR4ok3152WyAf8J2C1u) FormatString

[String](https://docs.microsoft.com/dotnet/api/system.string): Returns or sets the format specifier characters that indicate how a value is to be displayed.

### ![](/files/hsR4ok3152WyAf8J2C1u) FormattingEnabled

[Boolean](https://docs.microsoft.com/dotnet/api/system.boolean): Returns or sets a value indicating whether type conversion and formatting is applied to the control property data.

### ![](/files/hsR4ok3152WyAf8J2C1u) NullValue

[Object](https://docs.microsoft.com/dotnet/api/system.object): Returns or sets the [Object](https://docs.microsoft.com/dotnet/api/system.object) to be set as the control property when the data source contains a [DBNull](https://docs.microsoft.com/dotnet/api/system.dbnull) value.

### ![](/files/hsR4ok3152WyAf8J2C1u) PropertyName

[String](https://docs.microsoft.com/dotnet/api/system.string): Returns the name of the control's data-bound property.

## Methods

### ![](/files/hsR4ok3152WyAf8J2C1u) ReadValue()

Sets the target property to the value read from the data source.

### ![](/files/hsR4ok3152WyAf8J2C1u) WriteValue()

Reads the current value from the target property and writes it to the data source.

## Implemented By

| Name                                                        | Description                                                                                                                                                                          |
| ----------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| [Binding](/api/wisej.web/data-binding/wisej.web.binding.md) | Represents the simple binding between the property value of an object and the property value of a [IBindableComponent](/api/wisej.web/data-binding/wisej.web.ibindablecomponent.md). |


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