|
public ExecuteNonQuery ( string sql, |
||
| sql | string | 要执行的增删改的SQL语句 |
| parameters | 执行增删改语句所需要的参数，参数必须以它们在SQL语句中的顺序为准 | |
| Результат | int | |
public int ExecuteNonQuery(string sql, SQLiteParameter[] parameters)
{
int affectedRows = 0;
using (SQLiteConnection connection = new SQLiteConnection(connectionString))
{
connection.Open();
using (DbTransaction transaction = connection.BeginTransaction())
{
using (SQLiteCommand command = new SQLiteCommand(connection))
{
command.CommandText = sql;
if (parameters != null)
{
command.Parameters.AddRange(parameters);
}
affectedRows = command.ExecuteNonQuery();
}
transaction.Commit();
}
}
return affectedRows;
}
/// <summary> public static void CreateTable()
{
string dbPath = "D:\\Demo.db3";
//如果不存在改数据库文件，则创建该数据库文件
if (!System.IO.File.Exists(dbPath))
{
SQLiteDBHelper.CreateDB("D:\\Demo.db3");
}
SQLiteDBHelper db = new SQLiteDBHelper("D:\\Demo.db3");
string sql = "CREATE TABLE Test3(id integer NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,Name char(3),TypeName varchar(50),addDate datetime,UpdateTime Date,Time time,Comments blob)";
db.ExecuteNonQuery(sql, null);
}
