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# WebSecurity - ChangePassword() * * WebSecurity Object](#) * * * ## Definition The **ChangePassword()** method changes the password for a specified user. * * * ## C# and VB Syntax WebSecurity.ChangePassword(_userName, oldPassword, newPassword_) * * * ## Parameters | Parameter | Type | Description | | --- | --- | --- | | _userName_ | String | The username | | _oldPassword_ | String | The user's old password | | _newPassword_ | String | The new password | * * * ## Return Value | Type | Description | | --- | --- | | Boolean | Returns **true** if the password was changed, otherwise **false**. | * * * ## Errors and Exceptions In the following cases, any access to the **WebSecurity** object will throw an **InvalidOperationException**: * The **InitializeDatabaseConnection()** method has not been called * **SimpleMembership** is not initialized (or is disabled in the site configuration) * * * ## Technical Data | Name | Value | | --- | --- | | Namespace | WebMatrix.WebData | | Assembly | WebMatrix.WebData.dll | * * WebSecurity Object](#)