Insert multiple rows with parameters Sql Server

Question

I am trying to figure out if there is a way to perform a multiple values insert in Sql Server while using parameters, to be precise, having a command like this:

com = new SqlCommand("insert into myTable values (@recID,@tagID)", con);
com.Parameters.Add("@recID", SqlDbType.Int).Value = recID;
com.Parameters.Add("@tagID", SqlDbType.Int).Value = tagID;
com.ExecuteNonQuery();

Is there a way to perform a multiple values single insert with parameters taking into account that parameters may be different for each value? (Example: tagID may be always different)

I have been searching in Internet but no luck so far, thanks in advance, greetings.

Answer 1

You can use a table valued parameters : How to pass table value parameters to stored procedure from .net code

First, create the type, in SQL Server :

CREATE TYPE [dbo].[myTvpType] AS TABLE 
(
    [RecordID] int,
    [TagID] int
)

And the C# code to insert your data :

internal void InsertData(SqlConnection connection, Dictionary<int, int> valuesToInsert)
{
    using (DataTable myTvpTable = CreateDataTable(valuesToInsert))
    using (SqlCommand cmd = connection.CreateCommand())
    {
        cmd.CommandText = "INSERT INTO myTable SELECT RecordID, TagID FROM @myValues";
        cmd.CommandType = CommandType.Text;

        SqlParameter parameter = cmd.Parameters.AddWithValue("@myValues", myTvpTable);
        parameter.SqlDbType = SqlDbType.Structured;

        cmd.ExecuteNonQuery();
    }
}

private DataTable CreateDataTable(Dictionary<int, int> valuesToInsert)
{
    // Initialize the DataTable
    DataTable myTvpTable = new DataTable();
    myTvpTable.Columns.Add("RecordID", typeof(int));
    myTvpTable.Columns.Add("TagID", typeof(int));

    // Populate DataTable with data
    foreach(key in valuesToInsert.Key)
    {
        DataRow row = myTvpTable.NewRow();
        row["RecordID"] = valuesToInsert[key];
        row["TagID"] = key;
    }
}