var Address = [{ "value": "1", "text": "CHINA" }, { "value": "2", "text": "USA" }, { "value": "3", "text": "Koren" }];

function unitformatter(value, rowData, rowIndex) {

  if (value == 0) {

    return;

  }

 

  for (var i = 0; i < Address.length; i++) {

    if (Address[i].value == value) {

      return Address[i].text;

    }

  }

}

function GetTable() {

  var editRow = undefined;

  $("#Student_Table").datagrid({

    height: 300,

    width: 450,

    title: '学生表',

    collapsible: true,

    singleSelect: true,

    url: '/Home/StuList',

    idField: 'ID',

    columns: [[

     { field: 'ID', title: 'ID', width: 100 },

      { field: 'Name', title: '姓名', width: 100, editor: { type: 'text', options: { required: true } } },

      { field: 'Age', title: '年龄', width: 100, align: 'center', editor: { type: 'text', options: { required: true } } },

      { field: 'Address', title: '地址', width: 100, formatter: unitformatter, align: 'center', editor: { type: 'combobox', options: { data: Address, valueField: "value", textField: "text" } } }

    ]],

    toolbar: [{

      text: '添加', iconCls: 'icon-add', handler: function () {

        if (editRow != undefined) {

          $("#Student_Table").datagrid('endEdit', editRow);

        }

        if (editRow == undefined) {

          $("#Student_Table").datagrid('insertRow', {

            index: 0,

            row: {}

          });

          $("#Student_Table").datagrid('beginEdit', 0);

          editRow = 0;

        }

      }

    }, '-', {

      text: '保存', iconCls: 'icon-save', handler: function () {

        $("#Student_Table").datagrid('endEdit', editRow);

        //如果调用acceptChanges(),使用getChanges()则获取不到编辑和新增的数据。

        //使用JSON序列化datarow对象，发送到后台。

        var rows = $("#Student_Table").datagrid('getChanges');

        var rowstr = JSON.stringify(rows);

        $.post('/Home/Create', rowstr, function (data) {

        });

      }

    }, '-', {

      text: '撤销', iconCls: 'icon-redo', handler: function () {

        editRow = undefined;

        $("#Student_Table").datagrid('rejectChanges');

        $("#Student_Table").datagrid('unselectAll');

      }

    }, '-', {

      text: '删除', iconCls: 'icon-remove', handler: function () {

        var row = $("#Student_Table").datagrid('getSelections');

      }

    }, '-', {

      text: '修改', iconCls: 'icon-edit', handler: function () {

        var row = $("#Student_Table").datagrid('getSelected');

        if (row != null) {

          if (editRow != undefined) {

            $("#Student_Table").datagrid('endEdit', editRow);

          }

          if (editRow == undefined) {

            var index = $("#Student_Table").datagrid('getRowIndex', row);

            $("#Student_Table").datagrid('beginEdit', index);

            editRow = index;

            $("#Student_Table").datagrid('unselectAll');

          }

        } else {

        }

      }

    }, '-', {

      text: '上移', iconCls: 'icon-up', handler: function () {

        MoveUp();

      }

    }, '-', {

      text: '下移', iconCls: 'icon-down', handler: function () {

        MoveDown();

      }

    }],

    onAfterEdit: function (rowIndex, rowData, changes) {

      editRow = undefined;

    },

    onDblClickRow: function (rowIndex, rowData) {

      if (editRow != undefined) {

        $("#Student_Table").datagrid('endEdit', editRow);

      }

      if (editRow == undefined) {

        $("#Student_Table").datagrid('beginEdit', rowIndex);

        editRow = rowIndex;

      }

    },

    onClickRow: function (rowIndex, rowData) {

      if (editRow != undefined) {

        $("#Student_Table").datagrid('endEdit', editRow);

      } 

    }

  });

}