---
title: "updateNClob Method (int, java.io.Reader, long) | Microsoft Docs"
ms.custom: ""
ms.date: "01/19/2017"
ms.prod: sql
ms.prod_service: connectivity
ms.reviewer: ""
ms.technology: connectivity
ms.topic: conceptual
ms.assetid: 2bdbb539-0cb9-4047-98e3-7d6906af68f8
author: David-Engel
ms.author: v-daenge
---
# updateNClob Method (int, java.io.Reader, long)
[!INCLUDE[Driver_JDBC_Download](../../../includes/driver_jdbc_download.md)]

  Updates the designated column using the specified Reader object, which is the specified number of characters long.  
  
## Syntax  
  
```  
  
public void updateNClob(int columnIndex,  
                        java.io.Reader reader,  
                        long length)  
```  
  
#### Parameters  
 *columnIndex*  
  
 An **int** that indicates the column index.  
  
 *reader*  
  
 A Reader object.  
  
 *length*  
  
 The number of characters in the parameter data.  
  
## Exceptions  
 [SQLServerException](../../../connect/jdbc/reference/sqlserverexception-class.md)  
  
## Remarks  
 This updateNClob method is specified by the updateNClob method in the java.sql.ResultSet interface.  
  
 This method is supported only on **nvarchar(max)**, **ntext**, and **xml** columns. Using this method on any other data types will cause an exception to be thrown.  
  
## See Also  
 [updateNClob Method (SQLServerResultSet)](../../../connect/jdbc/reference/updatenclob-method-sqlserverresultset.md)   
 [SQLServerResultSet Members](../../../connect/jdbc/reference/sqlserverresultset-members.md)   
 [SQLServerResultSet Class](../../../connect/jdbc/reference/sqlserverresultset-class.md)