column

1. 根据选中的KeyValue 来获取其他field的value // Gridview settings settings.CustomJSProperties = (s, e) => { Dictionary<object, int> visibleIndices = new Dictionary<object, int>(); for (int i = 0; i < ((MVCxGridView)s).VisibleRowCount; i++) visibleIndices.Add(((MVCxGridView)s).GetRowValues(i, ((MVCxGridView)s).KeyFieldName), i); e.Properties["cpIndices"] = visibleIndices; }; //javascript调用 GridView.cpIndices[Key,"fieldName") 　　 2. 根据某些field的value来改变cell的backcolor //Gridview settings settings.HtmlDataCellPrepared = (sender, e) => { var gv = sender as MVCxGridView; string ls_Status = gv.GetRowValues(e

dev express的tcxgrid控件初始状态有一个分组的头“drag a column header here to group by that column”; 移除的方法是 optionsview -> groupbybox，选false。 来源： https://www.cnblogs.com/jijm123/p/11337800.html

对于字段XXX，数据发生截断。原因是：字段的取值，不满足约束条件。比如下面的情况： 原来的字段取值为null，现在约束字段not null，就会报错Data truncated for column xxx 转载于:https://www.cnblogs.com/nzbbody/p/4275772.html 来源： https://blog.csdn.net/weixin_30740295/article/details/99234746

直接 create column family User 新建 User ， 後續用 set User['ehewitt']['fname']='Eben' insert 資料 會出現如下的Exception: [default@MyKeyspace] set User['ehewitt']['fname']='Eben'; org.apache.cassandra.db.marshal.MarshalException: cannot parse 'fname' as hex by tes 改用如下語法 create column family 則會成功: create column family User with comparator=UTF8Type and default_validation_class=UTF8Type and key_validation_class=UTF8Type; 转载于:https://www.cnblogs.com/vincentmylee/archive/2012/12/18/2823583.html 来源： https://blog.csdn.net/weixin_30198597/article/details/99011489

1. 条形图（Bar Chart）需要的数据格式类型如下： ["Luke Skywalker", "Darth Vader", "Yoda", "Princess Leia" ] [ 2, 4, 1, 1] 2. Bar Chart代码示例： $( function () { $( '#container' ).highcharts({ chart: { type: 'bar' }, xAxis: { categories: [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ] }, plotOptions: { series: { allowPointSelect: true } }, yAxis:{ min: 0 , title: { text: 'Sales' }, }, series: [{ data: [ 29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4 ] }] }); // the button action $('#button').click( function () { var selectedPoints = $('#container