Class DataAdaptor

Abstract class for Data adaptors.

Inheritance

System.Object

DataAdaptor

Implements

IDataAdaptor

Namespace: Syncfusion.Blazor

Assembly: Syncfusion.Blazor.dll

Syntax

public abstract class DataAdaptor : OwningComponentBase, IDataAdaptor

Remarks

Extend DataAdaptor component while creating custom adaptor component. DataAdaptor component is extended from Microsoft.AspNetCore.Components.OwningComponentBase so that services can be accessed from Microsoft.AspNetCore.Components.OwningComponentBase.ScopedServices property.

Constructors

DataAdaptor()

Declaration

protected DataAdaptor()

Methods

BatchUpdate(DataManager, Object, Object, Object, String, String, Nullable<Int32>)

Performs Batch CRUD operations synchronously.

Declaration

public virtual object BatchUpdate(DataManager dataManager, object changedRecords, object addedRecords, object deletedRecords, string primaryColumnName, string key, Nullable<int> dropIndex)

Parameters

Type	Name	Description
DataManager	dataManager
System.Object	changedRecords
System.Object	addedRecords
System.Object	deletedRecords
System.String	primaryColumnName
System.String	key
System.Nullable<System.Int32>	dropIndex

Returns

Type	Description
System.Object

BatchUpdateAsync(DataManager, Object, Object, Object, String, String, Nullable<Int32>)

Performs Batch CRUD operations asynchronously.

Declaration

public virtual Task<object> BatchUpdateAsync(DataManager dataManager, object changedRecords, object addedRecords, object deletedRecords, string primaryColumnName, string key, Nullable<int> dropIndex)

Parameters

Type	Name	Description
DataManager	dataManager
System.Object	changedRecords
System.Object	addedRecords
System.Object	deletedRecords
System.String	primaryColumnName
System.String	key
System.Nullable<System.Int32>	dropIndex

Returns

Type	Description
System.Threading.Tasks.Task<System.Object>

Insert(DataManager, Object, String)

Inserts a new data item into the data collection.

Declaration

public virtual object Insert(DataManager dataManager, object record, string additionalParam)

Parameters

Type	Name	Description
DataManager	dataManager	The DataManager is a data management component used for performing data operations in applications.
System.Object	record	The new record which is need to be inserted.
System.String	additionalParam	An optional parameter that can be used to perform additional data operations.

Returns

Type	Description
System.Object	Returns the newly inserted record details.

InsertAsync(DataManager, Object, String)

Inserts a new data item into the data collection.

Declaration

public virtual Task<object> InsertAsync(DataManager dataManager, object record, string additionalParam)

Parameters

Type	Name	Description
DataManager	dataManager	The DataManager is a data management component used for performing data operations in applications.
System.Object	record	The new record which is need to be inserted.
System.String	additionalParam	An optional parameter that can be used to perform additional data operations.

Returns

Type	Description
System.Threading.Tasks.Task<System.Object>	Returns the newly inserted record details.

OnInitializedAsync()

Declaration

protected override Task OnInitializedAsync()

Returns

Type	Description
System.Threading.Tasks.Task

Read(DataManagerRequest, String)

Returns the data collection after performing data operations based on request from DataManagerRequest

Declaration

public virtual object Read(DataManagerRequest dataManagerRequest, string additionalParam = null)

Parameters

Type	Name	Description
DataManagerRequest	dataManagerRequest	DataManagerRequest containes the information regarding paging, grouping, filtering, searching which is handled on the DataGrid component side
System.String	additionalParam	An optional parameter that can be used to perform additional data operations.

Returns

Type	Description
System.Object	The data collection's type is determined by how this method has been implemented.

ReadAsync(DataManagerRequest, String)

Returns the data collection after performing data operations based on request from DataManagerRequest

Declaration

public virtual Task<object> ReadAsync(DataManagerRequest dataManagerRequest, string additionalParam = null)

Parameters

Type	Name	Description
DataManagerRequest	dataManagerRequest	DataManagerRequest containes the information regarding paging, grouping, filtering, searching which is handled on the DataGrid component side
System.String	additionalParam	An optional parameter that can be used to perform additional data operations.

Returns

Type	Description
System.Threading.Tasks.Task<System.Object>	The data collection's type is determined by how this method has been implemented.

Remove(DataManager, Object, String, String)

Removes a data item from the data collection.

Declaration

public virtual object Remove(DataManager dataManager, object primaryColumnValue, string primaryColumnName, string additionalParam)

Parameters

Type	Name	Description
DataManager	dataManager	The DataManager is a data management component used for performing data operations in applications.
System.Object	primaryColumnValue	The primaryColumnValue specifies the primary column value which is needs to be removed from the grid record.
System.String	primaryColumnName	The primaryColumnName specifies the field name of the primary column.
System.String	additionalParam	An optional parameter that can be used to perform additional data operations.

Returns

Type	Description
System.Object	Returns the removed data item.

RemoveAsync(DataManager, Object, String, String)

Removes a data item from the data collection.

Declaration

public virtual Task<object> RemoveAsync(DataManager dataManager, object primaryColumnValue, string primaryColumnName, string additionalParam)

Parameters

Type	Name	Description
DataManager	dataManager	The DataManager is a data management component used for performing data operations in applications.
System.Object	primaryColumnValue	The primaryColumnValue specifies the primary column value which is needs to be removed from the grid record.
System.String	primaryColumnName	The primaryColumnName specifies the field name of the primary column.
System.String	additionalParam	An optional parameter that can be used to perform additional data operations.

Returns

Type	Description
System.Threading.Tasks.Task<System.Object>	Returns the removed data item.

SetParent(BaseComponent)

Declaration

public void SetParent(BaseComponent parent)

Parameters

Type	Name	Description
BaseComponent	parent

Update(DataManager, Object, String, String)

Updates an existing data item in the data collection.

Declaration

public virtual object Update(DataManager dataManager, object record, string primaryColumnName, string additionalParam)

Parameters

Type	Name	Description
DataManager	dataManager	The DataManager is a data management component used for performing data operations in applications.
System.Object	record	The modified record which is need to be updated.
System.String	primaryColumnName	The primaryColumnName specifies the field name of the primary column.
System.String	additionalParam	An optional parameter that can be used to perform additional data operations.

Returns

Type	Description
System.Object	Returns the updated data item.

UpdateAsync(DataManager, Object, String, String)

Updates an existing data item in the data collection.

Declaration

public virtual Task<object> UpdateAsync(DataManager dataManager, object record, string primaryColumnName, string additionalParam)

Parameters

Type	Name	Description
DataManager	dataManager	The DataManager is a data management component used for performing data operations in applications.
System.Object	record	The modified record which is need to be updated.
System.String	primaryColumnName	The primaryColumnName specifies the field name of the primary column.
System.String	additionalParam	An optional parameter that can be used to perform additional data operations.

Returns

Type	Description
System.Threading.Tasks.Task<System.Object>	Returns the updated data item.

Implements

IDataAdaptor