/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(book_shop.Model.SearchDetailsModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update SearchDetails set ");
strSql.Append("KeyWords=@KeyWords,");
strSql.Append("SearchDateTime=@SearchDateTime");
strSql.Append(" where Id=@Id ");
SqlParameter[] parameters =
{
new SqlParameter("@KeyWords", SqlDbType.NVarChar, 255),
new SqlParameter("@SearchDateTime", SqlDbType.DateTime),
new SqlParameter("@Id", SqlDbType.UniqueIdentifier, 16)
};
parameters[0].Value = model.KeyWords;
parameters[1].Value = model.SearchDateTime;
parameters[2].Value = model.Id;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(book_shop.Model.SearchDetailsModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into SearchDetails(");
strSql.Append("Id,KeyWords,SearchDateTime)");
strSql.Append(" values (");
strSql.Append("@Id,@KeyWords,@SearchDateTime)");
SqlParameter[] parameters =
{
new SqlParameter("@Id", SqlDbType.UniqueIdentifier, 16),
new SqlParameter("@KeyWords", SqlDbType.NVarChar, 255),
new SqlParameter("@SearchDateTime", SqlDbType.DateTime)
};
parameters[0].Value = Guid.NewGuid();
parameters[1].Value = model.KeyWords;
parameters[2].Value = model.SearchDateTime;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public book_shop.Model.SearchDetailsModel DataRowToModel(DataRow row)
{
book_shop.Model.SearchDetailsModel model = new book_shop.Model.SearchDetailsModel();
if (row != null)
{
if (row["Id"] != null && row["Id"].ToString() != "")
{
model.Id = new Guid(row["Id"].ToString());
}
if (row["KeyWords"] != null)
{
model.KeyWords = row["KeyWords"].ToString();
}
if (row["SearchDateTime"] != null && row["SearchDateTime"].ToString() != "")
{
model.SearchDateTime = DateTime.Parse(row["SearchDateTime"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public book_shop.Model.SearchDetailsModel GetModel(Guid Id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Id,KeyWords,SearchDateTime from SearchDetails ");
strSql.Append(" where Id=@Id ");
SqlParameter[] parameters =
{
new SqlParameter("@Id", SqlDbType.UniqueIdentifier, 16)
};
parameters[0].Value = Id;
book_shop.Model.SearchDetailsModel model = new book_shop.Model.SearchDetailsModel();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}