/// <summary> /// 更新一条数据 /// </summary> public bool Update(Mail_Test.Model.member model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update member set "); strSql.Append("username=@username,"); strSql.Append("useremail=@useremail,"); strSql.Append("usergroup=@usergroup"); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@username", SqlDbType.VarChar, 50), new SqlParameter("@useremail", SqlDbType.VarChar, 100), new SqlParameter("@usergroup", SqlDbType.Int, 4), new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = model.username; parameters[1].Value = model.useremail; parameters[2].Value = model.usergroup; parameters[3].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(Mail_Test.Model.member model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into member("); strSql.Append("username,useremail,usergroup)"); strSql.Append(" values ("); strSql.Append("@username,@useremail,@usergroup)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@username", SqlDbType.VarChar, 50), new SqlParameter("@useremail", SqlDbType.VarChar, 100), new SqlParameter("@usergroup", SqlDbType.Int, 4) }; parameters[0].Value = model.username; parameters[1].Value = model.useremail; parameters[2].Value = model.usergroup; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
private void makemember(int i) { Mail_Test.Model.member model = new Mail_Test.Model.member(); model.usergroup = 0; model.username = GenerateRandomString(8); model.useremail = getmail(i); new Mail_Test.BLL.member().Add(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public Mail_Test.Model.member DataRowToModel(DataRow row) { Mail_Test.Model.member model = new Mail_Test.Model.member(); if (row != null) { if (row["id"] != null && row["id"].ToString() != "") { model.id = int.Parse(row["id"].ToString()); } if (row["username"] != null) { model.username = row["username"].ToString(); } if (row["useremail"] != null) { model.useremail = row["useremail"].ToString(); } if (row["usergroup"] != null && row["usergroup"].ToString() != "") { model.usergroup = int.Parse(row["usergroup"].ToString()); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public Mail_Test.Model.member GetModel(int id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 id,username,useremail,usergroup from member "); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = id; Mail_Test.Model.member model = new Mail_Test.Model.member(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }