public void btnSave_Click(object sender, EventArgs e) { string strErr = ""; if (this.txtNoteBookName.Text.Trim().Length == 0) { strErr += "NoteBookName不能为空!\\n"; } if (this.txtReMark.Text.Trim().Length == 0) { strErr += "ReMark不能为空!\\n"; } if (strErr != "") { MessageBox.Show(this, strErr); return; } string NoteBookID = this.lblNoteBookID.Text; string NoteBookName = this.txtNoteBookName.Text; string ReMark = this.txtReMark.Text; WebDemo.Model.WebDemo.Notebookpc model = new WebDemo.Model.WebDemo.Notebookpc(); model.NoteBookID = NoteBookID; model.NoteBookName = NoteBookName; model.ReMark = ReMark; WebDemo.BLL.WebDemo.Notebookpc bll = new WebDemo.BLL.WebDemo.Notebookpc(); bll.Update(model); Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功!", "list.aspx"); }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(WebDemo.Model.WebDemo.Notebookpc model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Notebookpc set "); strSql.Append("NoteBookName=@NoteBookName,"); strSql.Append("ReMark=@ReMark"); strSql.Append(" where NoteBookID=@NoteBookID "); SqlParameter[] parameters = { new SqlParameter("@NoteBookName", SqlDbType.VarChar, 50), new SqlParameter("@ReMark", SqlDbType.VarChar, 200), new SqlParameter("@NoteBookID", SqlDbType.VarChar, 20) }; parameters[0].Value = model.NoteBookName; parameters[1].Value = model.ReMark; parameters[2].Value = model.NoteBookID; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public bool Add(WebDemo.Model.WebDemo.Notebookpc model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Notebookpc("); strSql.Append("NoteBookID,NoteBookName,ReMark)"); strSql.Append(" values ("); strSql.Append("@NoteBookID,@NoteBookName,@ReMark)"); SqlParameter[] parameters = { new SqlParameter("@NoteBookID", SqlDbType.VarChar, 20), new SqlParameter("@NoteBookName", SqlDbType.VarChar, 50), new SqlParameter("@ReMark", SqlDbType.VarChar, 200) }; parameters[0].Value = model.NoteBookID; parameters[1].Value = model.NoteBookName; parameters[2].Value = model.ReMark; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
private void ShowInfo(string NoteBookID) { WebDemo.BLL.WebDemo.Notebookpc bll = new WebDemo.BLL.WebDemo.Notebookpc(); WebDemo.Model.WebDemo.Notebookpc model = bll.GetModel(NoteBookID); this.lblNoteBookID.Text = model.NoteBookID; this.txtNoteBookName.Text = model.NoteBookName; this.txtReMark.Text = model.ReMark; }
/// <summary> /// 得到一个对象实体 /// </summary> public WebDemo.Model.WebDemo.Notebookpc DataRowToModel(DataRow row) { WebDemo.Model.WebDemo.Notebookpc model = new WebDemo.Model.WebDemo.Notebookpc(); if (row != null) { if (row["NoteBookID"] != null) { model.NoteBookID = row["NoteBookID"].ToString(); } if (row["NoteBookName"] != null) { model.NoteBookName = row["NoteBookName"].ToString(); } if (row["ReMark"] != null) { model.ReMark = row["ReMark"].ToString(); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public WebDemo.Model.WebDemo.Notebookpc GetModel(string NoteBookID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 NoteBookID,NoteBookName,ReMark from Notebookpc "); strSql.Append(" where NoteBookID=@NoteBookID "); SqlParameter[] parameters = { new SqlParameter("@NoteBookID", SqlDbType.VarChar, 20) }; parameters[0].Value = NoteBookID; WebDemo.Model.WebDemo.Notebookpc model = new WebDemo.Model.WebDemo.Notebookpc(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }