c#连接连接sqlserver数据库、插入数据、从数据库获取时间示例数据库、插入数据、从数据库获取时间示例
c#连接sqlserver、插入数据、从数据库获取时间
代码如下:
using System;
using System.Data.SqlClient;
namespace Test
{
//连接数据库
public class Connection
{
private static string connectionString =
“Server = 192.168.1.222;” +
“Database = Test;” +
“User ID = Test;” +
“Password = abc123;”;
/// <summary>
/// 连接数据库
/// </summary>
/// <returns></returns>
private SqlConnection ConnectionOpen()
{
SqlConnection conn = new SqlConnection(connectionString);
conn.Open();
return conn;
}
/// <summary>
/// 向表(Table)中插入一条数据
/// </summary>
public void Insert(string value1, string value2, string value3, DateTime dateTime)
{
SqlConnection conn = ConnectionOpen();
string sql =
“insert into Table(row1, row2, row3, DateTime) values (‘” +
value1 + “‘, ‘” + value2 + “‘, ‘” + value3 + “‘, ‘” + dateTime + “‘)”;
SqlCommand comm = new SqlCommand(sql, conn);
comm.ExecuteReader();
conn.Close();
}
/// <summary>
/// 从数据库中获取当前时间
/// </summary>
/// <returns></returns>
public DateTime GetDateTimeFromSQL()
{
SqlConnection conn = ConnectionOpen();
string sql = “select getdate()”;
SqlCommand comm = new SqlCommand(sql, conn);
SqlDataReader reader = comm.ExecuteReader();
DateTime dt;
if (reader.Read())
{
dt = (DateTime)reader[0];
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