[英]C# call to Oracle 11g Procedure with VARRAY parameter
How from ASP.NET I can call a stored procedure in an Oracle package that accepts a VArray. 如何从ASP.NET中调用可以接受VArray的Oracle程序包中的存储过程。 The VArray will pass a list of keys that the stored procedure will use to modify appropriate records.
VArray将传递键列表,存储过程将使用该键来修改适当的记录。 I know I could send the keys in separate calls or send a delimited list, but I'd rather use an array.
我知道我可以在单独的调用中发送密钥,也可以发送定界列表,但是我宁愿使用数组。
Assuming you're using ODP.NET (you shouldn't be using System.Data.OracleClient
anyway), here's how to do it: 假设您使用的是ODP.NET(无论如何都不应该使用
System.Data.OracleClient
),这是这样做的方法:
using System;
using System.Data;
using Oracle.DataAccess.Client;
class SomeClass
{
void SomeMethod(string connectionString, int[] anArrayOfKeys)
{
using (var con = new OracleConnection(connectionString))
using (var cmd = con.CreateCommand())
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "StoredProcedureNameGoesHere";
cmd.Parameters.Add(
"ParameterNameGoesHere",
OracleDbType.Array,
anArrayOfKeys,
ParameterDirection.Input);
con.Open();
cmd.ExecuteNonQuery();
}
}
}
OracleCommand cmd = OracleConnection1.CreateCommand();
cmd.CommandText = "INSERT INTO ArrayTable VALUES (:CODE, :TITLE, : ARR1, :ARR2)";
...
OracleArray arr1 = new OracleArray("SCOTT.TARRAY1", OracleConnection1);
arr1.Add(10);
arr1.Add(20);
arr1.Add(30);
...
cmd.Parameters["ARR1"].DbType = OracleDbType.Array;
cmd.Parameters["ARR1"].Value = arr1;
...
cmd.ExecuteNonQuery();
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