C#?? SQL Server ?? ????? ??? ?? ??
? ?????? C# ???????? ??? ??? ????? SQL Server ?? ????? ???? ??? ?????. ? ??? SQL Server 2008 ?? ??? ??? UDTT(??? ?? ??? ??)? ?????.
??? ?? ??? ??(UDTT) ??
?? ??? ??? ???? ?? SQL Server?? UDTT? ????.
CREATE TYPE [dbo].[StringList] AS TABLE(
[Item] [NVARCHAR](MAX) NULL
);
?? ???? ??
???? UDTT? ???? ????? ?? ????? ?????.
CREATE PROCEDURE [dbo].[sp_UseStringList]
@list StringList READONLY
AS
BEGIN
-- Process the string list
SELECT l.Item FROM @list l;
END
C# ??
C# ?? ??? UDTT? ???? ??? ??? ????.
using (SqlConnection con = new SqlConnection(connstring))
{
con.Open();
using (SqlCommand cmd = new SqlCommand("sp_UseStringList", con))
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@list", CreateStringListTable(new List<string> { "Apple", "Banana", "Orange" }));
using (SqlDataReader reader = cmd.ExecuteReader())
{
while (reader.Read())
{
// Process each string from the reader
string item = reader["Item"].ToString();
Console.WriteLine(item);
}
}
}
}
//Helper function to create the DataTable
private DataTable CreateStringListTable(List<string> stringList)
{
DataTable dt = new DataTable();
dt.Columns.Add("Item", typeof(string));
foreach (string str in stringList)
{
dt.Rows.Add(str);
}
return dt;
}
?? ???? ??(SQL ?)
??? ???? ??? ?? SSMS(SQL Server Management Studio)?? ?? ?? ????? ??? ? ????.
DECLARE @list AS StringList;
INSERT INTO @list VALUES ('Apple');
INSERT INTO @list VALUES ('Banana');
INSERT INTO @list VALUES ('Orange');
EXEC sp_UseStringList @list;
? ?? ??? C# ???????? SQL Server ?? ????? ?? ??? ? ??? ??? ???? ???? ???? ??? ?????. UDTT? ???? ?? ??? ?? ??? ???? ???? ??? ?????.
? ??? C#?? SQL Server ?? ????? ??? ??? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
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???? ?? ???? ??? AI ?????.
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