/// <summary> /// 增加一条数据 /// </summary> public int Add(DHMSClass.Model.DHMS_Teacher model) { StringBuilder strSql=new StringBuilder(); StringBuilder strSql1=new StringBuilder(); StringBuilder strSql2=new StringBuilder(); if (model.Teacher_Tno != null) { strSql1.Append("Teacher_Tno,"); strSql2.Append("'"+model.Teacher_Tno+"',"); } if (model.Teacher_Name != null) { strSql1.Append("Teacher_Name,"); strSql2.Append("'"+model.Teacher_Name+"',"); } if (model.Teacher_Sex != null) { strSql1.Append("Teacher_Sex,"); strSql2.Append("'"+model.Teacher_Sex+"',"); } if (model.Teacher_Birthday != null) { strSql1.Append("Teacher_Birthday,"); strSql2.Append("'"+model.Teacher_Birthday+"',"); } if (model.Teacher_Num != null) { strSql1.Append("Teacher_Num,"); strSql2.Append("'"+model.Teacher_Num+"',"); } if (model.Department_ID != null) { strSql1.Append("Department_ID,"); strSql2.Append("'"+model.Department_ID+"',"); } strSql.Append("insert into DHMS_Teacher("); strSql.Append(strSql1.ToString().Remove(strSql1.Length - 1)); strSql.Append(")"); strSql.Append(" values ("); strSql.Append(strSql2.ToString().Remove(strSql2.Length - 1)); strSql.Append(")"); strSql.Append(";select @@IDENTITY"); object obj = DbHelperSQL.GetSingle(strSql.ToString()); if (obj == null) { return 0; } else { return Convert.ToInt32(obj); } }
/// <summary> /// 得到一个对象实体 /// </summary> public DHMSClass.Model.DHMS_Teacher GetModel(int Teacher_ID) { StringBuilder strSql=new StringBuilder(); strSql.Append("select top 1 "); strSql.Append(" Teacher_ID,Teacher_Tno,Teacher_Name,Teacher_Sex,Teacher_Birthday,Teacher_Num,Department_ID "); strSql.Append(" from DHMS_Teacher "); strSql.Append(" where Teacher_ID="+Teacher_ID+"" ); DHMSClass.Model.DHMS_Teacher model=new DHMSClass.Model.DHMS_Teacher(); DataSet ds=DbHelperSQL.Query(strSql.ToString()); if(ds.Tables[0].Rows.Count>0) { return DataRowToModel(ds.Tables[0].Rows[0]); } else { return null; } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(DHMSClass.Model.DHMS_Teacher model) { StringBuilder strSql=new StringBuilder(); strSql.Append("update DHMS_Teacher set "); if (model.Teacher_Name != null) { strSql.Append("Teacher_Name='"+model.Teacher_Name+"',"); } if (model.Teacher_Sex != null) { strSql.Append("Teacher_Sex='"+model.Teacher_Sex+"',"); } if (model.Teacher_Birthday != null) { strSql.Append("Teacher_Birthday='"+model.Teacher_Birthday+"',"); } if (model.Teacher_Num != null) { strSql.Append("Teacher_Num='"+model.Teacher_Num+"',"); } if (model.Department_ID != null) { strSql.Append("Department_ID='"+model.Department_ID+"',"); } int n = strSql.ToString().LastIndexOf(","); strSql.Remove(n, 1); strSql.Append(" where Teacher_ID="+ model.Teacher_ID+""); int rowsAffected=DbHelperSQL.ExecuteSql(strSql.ToString()); if (rowsAffected > 0) { return true; } else { return false; } }
/// <summary> /// 得到一个对象实体 /// </summary> public DHMSClass.Model.DHMS_Teacher DataRowToModel(DataRow row) { DHMSClass.Model.DHMS_Teacher model=new DHMSClass.Model.DHMS_Teacher(); if (row != null) { if(row["Teacher_ID"]!=null && row["Teacher_ID"].ToString()!="") { model.Teacher_ID=int.Parse(row["Teacher_ID"].ToString()); } if(row["Teacher_Tno"]!=null) { model.Teacher_Tno=row["Teacher_Tno"].ToString(); } if(row["Teacher_Name"]!=null) { model.Teacher_Name=row["Teacher_Name"].ToString(); } if(row["Teacher_Sex"]!=null) { model.Teacher_Sex=row["Teacher_Sex"].ToString(); } if(row["Teacher_Birthday"]!=null && row["Teacher_Birthday"].ToString()!="") { model.Teacher_Birthday=DateTime.Parse(row["Teacher_Birthday"].ToString()); } if(row["Teacher_Num"]!=null) { model.Teacher_Num=row["Teacher_Num"].ToString(); } if(row["Department_ID"]!=null) { model.Department_ID=row["Department_ID"].ToString(); } } return model; }