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DbCommandBuilder.GetUpdateCommand Method

Gets the automatically generated DbCommand object required to perform updates at the data source.

This member is overloaded. For complete information about this member, including syntax, usage, and examples, click a name in the overload list.

  NameDescription
Public method GetUpdateCommand() Gets the automatically generated DbCommand object required to perform updates at the data source.
Public method GetUpdateCommand(Boolean) Gets the automatically generated DbCommand object required to perform updates at the data source, optionally using columns for parameter names.
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An application can use the GetUpdateCommand method for informational or troubleshooting purposes because it returns the DbCommand object to be executed.

You can also use GetUpdateCommand as the basis of a modified command. For example, you might call GetUpdateCommand and modify the command text, and then explicitly set that on the DbDataAdapter.

After the SQL statement is first generated, the application must explicitly call RefreshSchema if it changes the statement in any way. Otherwise, the GetUpdateCommand will still be using information from the previous statement, which might not be correct. The SQL statements are first generated either when the application calls Update or GetUpdateCommand.

The default behavior, when generating parameter names, is to use @p1, @p2, and so on for the various parameters. If the overloaded version of GetUpdateCommand allows you to specify this behavior, you can cause the DbCommandBuilder to generate parameters based on the column names instead.

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