/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(SP.Model.reply model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update reply set ");
strSql.Append("aid=@aid,");
strSql.Append("memo=@memo,");
strSql.Append("lname=@lname,");
strSql.Append("atime=@atime");
strSql.Append(" where rid=@rid");
SqlParameter[] parameters =
{
new SqlParameter("@aid", SqlDbType.Int, 4),
new SqlParameter("@memo", SqlDbType.NText),
new SqlParameter("@lname", SqlDbType.VarChar, 50),
new SqlParameter("@atime", SqlDbType.DateTime),
new SqlParameter("@rid", SqlDbType.Int, 4)
};
parameters[0].Value = model.aid;
parameters[1].Value = model.memo;
parameters[2].Value = model.lname;
parameters[3].Value = model.atime;
parameters[4].Value = model.rid;
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 SP.Model.reply DataRowToModel(DataRow row)
{
SP.Model.reply model = new SP.Model.reply();
if (row != null)
{
if (row["rid"] != null && row["rid"].ToString() != "")
{
model.rid = int.Parse(row["rid"].ToString());
}
if (row["aid"] != null && row["aid"].ToString() != "")
{
model.aid = int.Parse(row["aid"].ToString());
}
if (row["memo"] != null)
{
model.memo = row["memo"].ToString();
}
if (row["lname"] != null)
{
model.lname = row["lname"].ToString();
}
if (row["atime"] != null && row["atime"].ToString() != "")
{
model.atime = DateTime.Parse(row["atime"].ToString());
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(SP.Model.reply model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into reply(");
strSql.Append("aid,memo,lname,atime)");
strSql.Append(" values (");
strSql.Append("@aid,@memo,@lname,@atime)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@aid", SqlDbType.Int, 4),
new SqlParameter("@memo", SqlDbType.NText),
new SqlParameter("@lname", SqlDbType.VarChar, 50),
new SqlParameter("@atime", SqlDbType.DateTime)
};
parameters[0].Value = model.aid;
parameters[1].Value = model.memo;
parameters[2].Value = model.lname;
parameters[3].Value = model.atime;
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 SP.Model.reply GetModel(int rid)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 rid,aid,memo,lname,atime from reply ");
strSql.Append(" where rid=@rid");
SqlParameter[] parameters =
{
new SqlParameter("@rid", SqlDbType.Int, 4)
};
parameters[0].Value = rid;
SP.Model.reply model = new SP.Model.reply();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
