向网格添加新行

Adding new row to grid

本文关键字:新行 添加 网格      更新时间:2023-09-26

我需要一个Kendo Grid,用户输入'n'个数的结果,然后单击一个按钮(从网格控件分开),这将采取所有的结果添加到网格,并将它们保存到数据库。这应该是一个简单的任务,考虑到网格本身没有CRUD操作,除了为数据输入添加额外的空白行…

然而,

问题是网格的内容不是静态的,并且可以根据用户输入在列大小(从1到6)上变化(我的示例显示了这将如何以数组Lots的形式表示)。似乎大多数可用的教程似乎只专注于静态内容,而很少有其他方面的帮助。

到目前为止(与Telerik的一些反馈),我已经提出了以下…

设置一个Lot Schema,即数组中每个Lot的所有数据的占位符:

var Lots = [];
    Lots.push({ ID: 13, LotNumber: "158UL" }),
    Lots.push({ ID: 14, LotNumber: "646UE" });
var LotResultsSchema = [];
    for (var p = 0; p < Lots.length; ++p) {
        LotResultsSchema.push({
            Result: {
                Count: '', 
                Mean: '',  
                SD: ''     
            }
        });
    }  

设置整体网格模式模型ID:

var schemaModel = kendo.data.Model.define({
        id: "ID",
        fields: {
            ID: { editable: false, nullable: true },
            ResultDateTime: {
                type: "date", validation: {
                    required: true
                }
            },
            LotResults: LotResultsSchema,           
            StandardComment: {
                ID: {
                    nullable: true, validation: {
                        required: false
                    }
                },
                Description: {
                    defaultValue: "<empty>",
                    validation: {
                        required: false
                    }
                }
            },
            ReviewComment: {
                ID: {
                    nullable: true, validation: {
                        required: false
                    }
                },
                Description: {
                    defaultValue: "<empty>",
                    validation: {
                        required: false
                    }
                }
            }
        }
    });

根据上面的模式为网格设置数据源:

var gridConfigDataSourceAdd = new kendo.data.DataSource({
        data: [],           
        schema: {
            model: schemaModel
        }
    });

设置列模式(再次考虑到可以根据数组大小创建多个列):

var columnSchema = [];
columnSchemaAdd.push({ field: "ResultDateTime", format: "{0:yyyy/MM/dd hh:mm:ss}", editor: dateTimeEditor, title: 'Date Time' });
    for (var j = 0; j < Lots.length; ++j) {
        columnSchemaAdd.push({
            title: Lots[j].LotNumber,
            field: Lots[j].ID,
            columns: [{
                field: "LotResults[" + j + "].Result.Count",
                title: 'Count'
            }, {
                field: "LotResults[" + j + "].Result.Mean",
                title: 'Mean'
            }, {
                field: "LotResults[" + j + "].Result.SD",
                title: 'SD'
            }]
        });
    }
    columnSchemaAdd.push({ field: "StandardComment", title: 'Comment', editor: standardCommentDropDownEditor, template: "#=StandardComment.Description#" });
    columnSchemaAdd.push({ field: "ReviewComment", title: 'Review Comment', editor: reviewCommentDropDownEditor, template: "#=ReviewComment.Description#" });
    columnSchemaAdd.push({ command: ["edit", "destroy"] });

设置整体网格:

$("#configAddGrid").kendoGrid({
        dataSource: gridConfigDataSourceAdd,
        height: 550,
        navigatable: true,
        autoBind: false,
        editable: {
            mode: "inline"
        },
        toolbar: ["create"],
        columns: columnSchemaAdd
    });

运行此代码并单击"添加新"按钮创建新行会产生以下错误:

Uncaught TypeError: Cannot read property 'Result' of undefined

我理解为什么我得到这个错误,由于新项目正在创建未定义的LotResults。我无法理解的是,当在Lot Schema中设置默认值时,怎么会发生这种情况。

任何建议都是赞赏的,我希望有人使用剑道网格相同的目的之前,我真的很想看看一个例子,它的工作!

我认为问题出在LotResultsSchema上。而不是创建它作为一个单独的数组,可以尝试合并到字段类?

<script>
var Lots = [];
    Lots.push({ ID: 13, LotNumber: "158UL" }),
    Lots.push({ ID: 14, LotNumber: "646UE" });

  var fields1 =  {
            ID: { editable: false, nullable: true },
            ResultDateTime: {
                type: "date", validation: {
                    required: true
                }
            },          
            StandardComment: {
                ID: {
                    nullable: true, validation: {
                        required: false
                    }
                },
                Description: {
                    defaultValue: "<empty>",
                    validation: {
                        required: false
                    }
                }
            },
            ReviewComment: {
                ID: {
                    nullable: true, validation: {
                        required: false
                    }
                },
                Description: {
                    defaultValue: "<empty>",
                    validation: {
                        required: false
                    }
                }
            }
  };
    for (var p = 0; p < Lots.length; ++p) {
            fields1['Count' + Lots[p].ID] = {type : "number"};
            fields1['Mean'+Lots[p].ID] = {type : "number"};
            fields1['SD' +Lots[p].ID] = {type : "number"};        
    }
  var schemaModel = kendo.data.Model.define({
        id: "ID",
        fields: fields1
    });
  var gridConfigDataSourceAdd = new kendo.data.DataSource({
        data: [],           
        schema: {
            model: schemaModel
        }
    });
  var columnSchemaAdd = [];
columnSchemaAdd.push({ field: "ResultDateTime", format: "{0:yyyy/MM/dd hh:mm:ss}",  title: 'Date Time' });
    for (var j = 0; j < Lots.length; ++j) {
        columnSchemaAdd.push({
            title: Lots[j].LotNumber,
            field: Lots[j].ID,
            columns: [{
                field: 'Count' + Lots[j].ID ,
                title: 'Count'
            }, 
            {
                field: 'Mean'+Lots[j].ID ,
                title: 'Mean'
            }, {
                field: 'SD' + Lots[j].ID ,
               title: 'SD'
            }]
        });
    }
    columnSchemaAdd.push({ field: "StandardComment", title: 'Comment',  template: "#=StandardComment.Description#" });
    columnSchemaAdd.push({ field: "ReviewComment", title: 'Review Comment',  template: "#=ReviewComment.Description#" });
    columnSchemaAdd.push({ command: ["edit", "destroy"] });
  $("#configAddGrid").kendoGrid({
        dataSource: gridConfigDataSourceAdd,
        height: 550,
        navigatable: true,
        autoBind: false,
        editable: {
            mode: "inline"
        },
        toolbar: ["create"],
        columns: columnSchemaAdd
    });
  </script>

示例http://dojo.telerik.com/uHucA