/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(GL.Model.SearchModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update GL_Search set ");
strSql.Append("keyword=@keyword,");
strSql.Append("num=@num");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@keyword", SqlDbType.NVarChar, 50),
new SqlParameter("@num", SqlDbType.Int, 4),
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = model.keyword;
parameters[1].Value = model.num;
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 int Add(GL.Model.SearchModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into GL_Search(");
strSql.Append("keyword,num,lastdate)");
strSql.Append(" values (");
strSql.Append("@keyword,@num,@lastdate)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@keyword", SqlDbType.NVarChar, 50),
new SqlParameter("@num", SqlDbType.Int, 4),
new SqlParameter("@lastdate", SqlDbType.DateTime)
};
parameters[0].Value = model.keyword;
parameters[1].Value = model.num;
parameters[2].Value = model.lastdate;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public GL.Model.SearchModel DataRowToModel(DataRow row)
{
GL.Model.SearchModel model = new GL.Model.SearchModel();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["keyword"] != null)
{
model.keyword = row["keyword"].ToString();
}
if (row["num"] != null && row["num"].ToString() != "")
{
model.num = int.Parse(row["num"].ToString());
}
if (row["lastdate"] != null && row["lastdate"].ToString() != "")
{
model.lastdate = DateTime.Parse(row["lastdate"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public GL.Model.SearchModel GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,keyword,num,lastdate from GL_Search ");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
GL.Model.SearchModel model = new GL.Model.SearchModel();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}