/// <summary> /// 更新一条数据 /// </summary> public bool Update(Maticsoft.Model.sysdiagrams model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update sysdiagrams set "); strSql.Append("name=@name,"); strSql.Append("principal_id=@principal_id,"); strSql.Append("version=@version,"); strSql.Append("definition=@definition"); strSql.Append(" where diagram_id=@diagram_id"); SqlParameter[] parameters = { new SqlParameter("@name", SqlDbType.Text, 256), new SqlParameter("@principal_id", SqlDbType.Int, 4), new SqlParameter("@version", SqlDbType.Int, 4), new SqlParameter("@definition", SqlDbType.VarBinary, -1), new SqlParameter("@diagram_id", SqlDbType.Int, 4) }; parameters[0].Value = model.name; parameters[1].Value = model.principal_id; parameters[2].Value = model.version; parameters[3].Value = model.definition; parameters[4].Value = model.diagram_id; int rows = dbs.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public Maticsoft.Model.sysdiagrams DataRowToModel(DataRow row) { Maticsoft.Model.sysdiagrams model = new Maticsoft.Model.sysdiagrams(); if (row != null) { if (row["name"] != null) { model.name = row["name"].ToString(); } if (row["principal_id"] != null && row["principal_id"].ToString() != "") { model.principal_id = int.Parse(row["principal_id"].ToString()); } if (row["diagram_id"] != null && row["diagram_id"].ToString() != "") { model.diagram_id = int.Parse(row["diagram_id"].ToString()); } if (row["version"] != null && row["version"].ToString() != "") { model.version = int.Parse(row["version"].ToString()); } if (row["definition"] != null && row["definition"].ToString() != "") { model.definition = (byte[])row["definition"]; } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(Maticsoft.Model.sysdiagrams model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into sysdiagrams("); strSql.Append("name,principal_id,version,definition)"); strSql.Append(" values ("); strSql.Append("@name,@principal_id,@version,@definition)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@name", SqlDbType.Text, 256), new SqlParameter("@principal_id", SqlDbType.Int, 4), new SqlParameter("@version", SqlDbType.Int, 4), new SqlParameter("@definition", SqlDbType.VarBinary, -1) }; parameters[0].Value = model.name; parameters[1].Value = model.principal_id; parameters[2].Value = model.version; parameters[3].Value = model.definition; object obj = dbs.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 Maticsoft.Model.sysdiagrams GetModel(int diagram_id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 name,principal_id,diagram_id,version,definition from sysdiagrams "); strSql.Append(" where diagram_id=@diagram_id"); SqlParameter[] parameters = { new SqlParameter("@diagram_id", SqlDbType.Int, 4) }; parameters[0].Value = diagram_id; Maticsoft.Model.sysdiagrams model = new Maticsoft.Model.sysdiagrams(); DataSet ds = dbs.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }