protected void btnSave_Click(object sender, EventArgs e) { string strErr=""; if(this.txtName.Text.Trim().Length==0) { strErr+="Name不能为空!\\n"; } if(!PageValidate.IsNumber(txtCredit.Text)) { strErr+="Credit格式错误!\\n"; } if(this.txtIntrodution.Text.Trim().Length==0) { strErr+="Introdution不能为空!\\n"; } if(strErr!="") { MessageBox.Show(this,strErr); return; } string Name=this.txtName.Text; int Credit=int.Parse(this.txtCredit.Text); string Introdution=this.txtIntrodution.Text; Eva.Model.Course model=new Eva.Model.Course(); model.Name=Name; model.Credit=Credit; model.Introdution=Introdution; Eva.BLL.Course bll=new Eva.BLL.Course(); bll.Add(model); Maticsoft.Common.MessageBox.ShowAndRedirect(this,"保存成功!","add.aspx"); }
/// <summary> /// 得到一个对象实体 /// </summary> public Eva.Model.Course DataRowToModel(DataRow row) { Eva.Model.Course model=new Eva.Model.Course(); if (row != null) { if(row["Id"]!=null && row["Id"].ToString()!="") { model.Id=int.Parse(row["Id"].ToString()); } if(row["Name"]!=null) { model.Name=row["Name"].ToString(); } if(row["Credit"]!=null && row["Credit"].ToString()!="") { model.Credit=int.Parse(row["Credit"].ToString()); } if(row["Introdution"]!=null) { model.Introdution=row["Introdution"].ToString(); } } return model; }
/// <summary> /// 得到一个对象实体 /// </summary> public Eva.Model.Course GetModel(int Id) { StringBuilder strSql=new StringBuilder(); strSql.Append("select top 1 Id,Name,Credit,Introdution from Course "); strSql.Append(" where Id=@Id"); SqlParameter[] parameters = { new SqlParameter("@Id", SqlDbType.Int,4) }; parameters[0].Value = Id; Eva.Model.Course model=new Eva.Model.Course(); DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters); if(ds.Tables[0].Rows.Count>0) { return DataRowToModel(ds.Tables[0].Rows[0]); } else { return null; } }