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Update ArrayBind.cs (#395)
Updated sample to array bind 4 rows instead of 3 to avoid a square example as per customer suggestion. #368 Updated license link. Cleaned up comments and code artifacts for clarity.
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‎samples/array-bind/ArrayBind.cs

+96-98
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@@ -2,116 +2,114 @@
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using System.Data;
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using Oracle.ManagedDataAccess.Client;
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namespace ODPSample
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namespace ODPArrayBind
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{
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/// <summary>
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/// Sample: Demonstrates array binding
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/// </summary>
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class ArrayBind
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{
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static void Main(string[] args)
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/// <summary>
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/// Sample: Demonstrates ODP.NET array binding
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/// </summary>
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class ArrayBind
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{
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// Connect
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// This sample code's DEPT table shares the same characteristics as SCOTT schema's DEPT table
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string connectStr = "User Id=<USER ID>;Password=<PASSWORD>;Data Source=<TNS ALIAS>";
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// Setup the Tables for sample
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Setup(connectStr);
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// Initialize array of data
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int[] myArrayDeptNo = new int[3]{1, 2, 3};
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String[] myArrayDeptName = {"Dev", "QA", "Facility"};
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String[] myArrayDeptLoc = {"New York", "Maryland", "Texas"};
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OracleConnection connection = new OracleConnection(connectStr);
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OracleCommand command = new OracleCommand (
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"insert into dept values (:deptno, :deptname, :loc)", connection);
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// Set the Array Size to 3. This applied to all the parameter in
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// associated with this command
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command.ArrayBindCount = 3;
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// deptno parameter
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OracleParameter deptNoParam = new OracleParameter("deptno",OracleDbType.Int32);
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deptNoParam.Direction = ParameterDirection.Input;
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deptNoParam.Value = myArrayDeptNo;
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command.Parameters.Add(deptNoParam);
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// deptname parameter
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OracleParameter deptNameParam = new OracleParameter("deptname", OracleDbType.Varchar2);
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deptNameParam.Direction = ParameterDirection.Input;
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deptNameParam.Value = myArrayDeptName;
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command.Parameters.Add(deptNameParam);
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// loc parameter
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OracleParameter deptLocParam = new OracleParameter("loc", OracleDbType.Varchar2);
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deptLocParam.Direction = ParameterDirection.Input;
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deptLocParam.Value = myArrayDeptLoc;
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command.Parameters.Add(deptLocParam);
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try
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{
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connection.Open();
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command.ExecuteNonQuery();
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Console.WriteLine("{0} Rows Inserted", command.ArrayBindCount);
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}
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catch (Exception e)
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{
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Console.WriteLine("Execution Failed:" + e.Message);
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}
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finally
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{
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// connection, command used server side resource, dispose them
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// asap to conserve resource
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connection.Close();
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command.Dispose();
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connection.Dispose();
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}
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}
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static void Main(string[] args)
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{
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// Connect
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// This sample code's DEPT table shares the same characteristics as the SCOTT schema's DEPT table.
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string connectStr = "User Id=<USER ID>;Password=<PASSWORD>;Data Source=<TNS ALIAS>";
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public static void Setup(string connectStr)
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{
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int[] myArrayDeptNo = new int[3]{1, 2, 3};
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OracleConnection conn = new OracleConnection(connectStr);
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OracleCommand cmd = new OracleCommand("delete dept where deptno = :1", conn);
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// Bind with an array of 3 items
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cmd.ArrayBindCount = 3;
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OracleParameter param1 = new OracleParameter();
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param1.OracleDbType = OracleDbType.Int32;
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param1.Value = myArrayDeptNo;
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cmd.Parameters.Add(param1);
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try
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{
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conn.Open();
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cmd.ExecuteNonQuery();
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}
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catch (Exception e)
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{
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Console.WriteLine("Setup Failed:{0}" ,e.Message);
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}
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finally
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{
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conn.Close();
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cmd.Dispose();
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}
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// Clear rows from past sample code executions
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Setup(connectStr);
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// Initialize array of data
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int[] myArrayDeptNo = new int[4] { 1, 2, 3, 4 };
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String[] myArrayDeptName = { "Dev", "QA", "PM", "Integration" };
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String[] myArrayDeptLoc = { "California", "Arizona", "Texas", "Oregon" };
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OracleConnection connection = new OracleConnection(connectStr);
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OracleCommand command = new OracleCommand(
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"insert into dept values (:deptno, :deptname, :loc)", connection);
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// Set the array size to 4. This applies to all the command's associated parameters.
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command.ArrayBindCount = 4;
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// Deptno parameter
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OracleParameter deptNoParam = new OracleParameter("deptno", OracleDbType.Int32);
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deptNoParam.Direction = ParameterDirection.Input;
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deptNoParam.Value = myArrayDeptNo;
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command.Parameters.Add(deptNoParam);
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// Deptname parameter
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OracleParameter deptNameParam = new OracleParameter("deptname", OracleDbType.Varchar2);
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deptNameParam.Direction = ParameterDirection.Input;
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deptNameParam.Value = myArrayDeptName;
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command.Parameters.Add(deptNameParam);
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// Loc parameter
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OracleParameter deptLocParam = new OracleParameter("loc", OracleDbType.Varchar2);
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deptLocParam.Direction = ParameterDirection.Input;
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deptLocParam.Value = myArrayDeptLoc;
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command.Parameters.Add(deptLocParam);
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try
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{
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connection.Open();
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command.ExecuteNonQuery();
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Console.WriteLine("{0} rows inserted", command.ArrayBindCount);
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}
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catch (Exception e)
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{
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Console.WriteLine("Execution failed:" + e.Message);
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}
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finally
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{
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// Dispose connection and command used server side resource
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connection.Close();
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command.Dispose();
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connection.Dispose();
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}
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}
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public static void Setup(string connectStr)
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{
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int[] myArrayDeptNo = new int[4] { 1, 2, 3, 4 };
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OracleConnection conn = new OracleConnection(connectStr);
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OracleCommand cmd = new OracleCommand("delete dept where deptno = :1", conn);
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// Bind with a 4 item array
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cmd.ArrayBindCount = 4;
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OracleParameter param1 = new OracleParameter();
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param1.OracleDbType = OracleDbType.Int32;
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param1.Value = myArrayDeptNo;
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cmd.Parameters.Add(param1);
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try
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{
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conn.Open();
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cmd.ExecuteNonQuery();
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}
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catch (Exception e)
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{
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Console.WriteLine("Setup Failed:{0}", e.Message);
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}
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finally
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{
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conn.Close();
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cmd.Dispose();
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}
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}
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}
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}
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}
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/* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. */
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/* Copyright (c) 2017, 2024 Oracle and/or its affiliates. All rights reserved. */
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/******************************************************************************
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*
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* You may not use the identified files except in compliance with The MIT
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* License (the "License.")
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*
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* You may obtain a copy of the License at
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* https://github.com/oracle/Oracle.NET/blob/master/LICENSE
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* https://github.com/oracle/Oracle.NET/blob/master/LICENSE.txt
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

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