Javascript Google图表:列标签|类别筛选器作为列选择器无效
我试着用提琴在谷歌图表折线图中创建一个分类过滤器 我得到的错误是: “一个或多个参与者未能绘制()”& “无效列标签:colLabel” 除了在小提琴中,我从ASP.NET中的SQL连接获取图表数据 出了什么问题 重要的javascript函数如下所示:Javascript Google图表:列标签|类别筛选器作为列选择器无效,javascript,c#,asp.net,charts,google-visualization,Javascript,C#,Asp.net,Charts,Google Visualization,我试着用提琴在谷歌图表折线图中创建一个分类过滤器 我得到的错误是: “一个或多个参与者未能绘制()”& “无效列标签:colLabel” 除了在小提琴中,我从ASP.NET中的SQL连接获取图表数据 出了什么问题 重要的javascript函数如下所示: function drawchart(chartData) { var data = new google.visualization.DataTable(); for (var index in chartD
function drawchart(chartData) {
var data = new google.visualization.DataTable();
for (var index in chartData.Columns) {
data.addColumn('number', chartData.Columns[index]);
}
data.addRows(chartData.Data);
var dash = new google.visualization.Dashboard(document.getElementById('dashboard'));
var chart = new google.visualization.ChartWrapper({
chartType: 'LineChart',
containerId: 'chart_div',
dataTable: data,
});
var columnsTable = new google.visualization.DataTable();
columnsTable.addColumn('number', 'colIndex');
columnsTable.addColumn('string', 'colLabel');
var initState = {
selectedValues: []
};
for (var i = 1; i < data.getNumberOfColumns() ; i++) {
columnsTable.addRow([i, data.getColumnLabel(i)]);
initState.selectedValues.push(data.getColumnLabel(i));
}
var distributors = new google.visualization.ControlWrapper({
controlType: 'CategoryFilter',
containerId: 'distributors_div',
dataTable: columnsTable,
options: {
filterColumnLabel: 'colLabel',
ui: {
label: 'Columns',
allowTyping: false,
allowMultiple: true,
allowNone: false,
selectedValuesLayout: 'belowStacked'
}
},
state: initState
});
function setChartView(wrapper) {
wrapper.setOption('height', 720);
wrapper.setOption('width', 1280);
var state = distributors.getState();
var row;
var view = {
columns: [0]
};
for (var i = 0; i < state.selectedValues.length; i++) {
row = columnsTable.getFilteredRows([{
column: 1,
value: state.selectedValues[i]
}])[0];
view.columns.push(columnsTable.getValue(row, 0));
}
// sort the indices into their original order
view.columns.sort(function (a, b) {
return (a - b);
});
chart.setView(view);
chart.draw();
}
google.visualization.events.addListener(distributors, 'statechange', setChartView);
setChartView(chart);
dash.bind(distributors, chart);
dash.draw(data);
}
[WebMethod]
public static ChartOutput GetChartData()
{
using (SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ToString()))
{
SqlCommand cmd = new SqlCommand("Usp_Getdata3", con);
cmd.CommandType = CommandType.StoredProcedure;
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = cmd;
DataTable dt = new DataTable();
da.Fill(dt);
List<ChartDetails> dataList = new List<ChartDetails>();
foreach (DataRow dtrow in dt.Rows)
{
ChartDetails details = new ChartDetails();
details.WeekNumber = Convert.ToInt16(dtrow[0]);
details.DistributorName = dtrow[1].ToString();
details.Count = Convert.ToUInt16(dtrow[2]);
dataList.Add(details);
}
ChartOutput output = new ChartOutput();
output.Data = new List<int[]>();
output.Columns = new List<string>();
var orderedListOfDistributorNames = dataList.Select(x => x.DistributorName).Distinct().OrderBy(x => x).ToArray();
output.Columns.Add("WeekNumber");
output.Columns.AddRange(orderedListOfDistributorNames);
var weekGrouping = dataList.GroupBy(k => k.WeekNumber, v => v);
foreach (var g in weekGrouping)
{
var n = output.Columns.Count;
int[] dataRow = new int[n];
var currentWeekNumber = g.Key;
dataRow[0] = currentWeekNumber;
for (int i = 0; i < orderedListOfDistributorNames.Count(); i++)
{
var distrtibutorToCheck = orderedListOfDistributorNames[i];
var distributorFromGrouping = g.FirstOrDefault(x => x.DistributorName == distrtibutorToCheck);
if (distributorFromGrouping != null)
dataRow[i + 1] = distributorFromGrouping.Count;
}
output.Data.Add(dataRow);
}
return output;
}
}
public class ChartOutput
{
public List<string> Columns { get; set; }
public List<int[]> Data { get; set; }
}
public class ChartDetails
{
public string DistributorName { get; set; }
public int WeekNumber { get; set; }
public int Count { get; set; }
}
功能绘图图(chartData){
var data=new google.visualization.DataTable();
for(chartData.Columns中的var索引){
data.addColumn('number',chartData.Columns[index]);
}
data.addRows(chartData.data);
var dash=new google.visualization.Dashboard(document.getElementById('Dashboard');
var chart=new google.visualization.ChartWrapper({
图表类型:“线条图”,
集装箱船:“海图分区”,
数据表:数据,
});
var columnsTable=new google.visualization.DataTable();
columnsTable.addColumn('number','colIndex');
addColumn('string','colLabel');
var initState={
所选值:[]
};
对于(var i=1;i
提供如下数据的C代码:
function drawchart(chartData) {
var data = new google.visualization.DataTable();
for (var index in chartData.Columns) {
data.addColumn('number', chartData.Columns[index]);
}
data.addRows(chartData.Data);
var dash = new google.visualization.Dashboard(document.getElementById('dashboard'));
var chart = new google.visualization.ChartWrapper({
chartType: 'LineChart',
containerId: 'chart_div',
dataTable: data,
});
var columnsTable = new google.visualization.DataTable();
columnsTable.addColumn('number', 'colIndex');
columnsTable.addColumn('string', 'colLabel');
var initState = {
selectedValues: []
};
for (var i = 1; i < data.getNumberOfColumns() ; i++) {
columnsTable.addRow([i, data.getColumnLabel(i)]);
initState.selectedValues.push(data.getColumnLabel(i));
}
var distributors = new google.visualization.ControlWrapper({
controlType: 'CategoryFilter',
containerId: 'distributors_div',
dataTable: columnsTable,
options: {
filterColumnLabel: 'colLabel',
ui: {
label: 'Columns',
allowTyping: false,
allowMultiple: true,
allowNone: false,
selectedValuesLayout: 'belowStacked'
}
},
state: initState
});
function setChartView(wrapper) {
wrapper.setOption('height', 720);
wrapper.setOption('width', 1280);
var state = distributors.getState();
var row;
var view = {
columns: [0]
};
for (var i = 0; i < state.selectedValues.length; i++) {
row = columnsTable.getFilteredRows([{
column: 1,
value: state.selectedValues[i]
}])[0];
view.columns.push(columnsTable.getValue(row, 0));
}
// sort the indices into their original order
view.columns.sort(function (a, b) {
return (a - b);
});
chart.setView(view);
chart.draw();
}
google.visualization.events.addListener(distributors, 'statechange', setChartView);
setChartView(chart);
dash.bind(distributors, chart);
dash.draw(data);
}
[WebMethod]
public static ChartOutput GetChartData()
{
using (SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ToString()))
{
SqlCommand cmd = new SqlCommand("Usp_Getdata3", con);
cmd.CommandType = CommandType.StoredProcedure;
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = cmd;
DataTable dt = new DataTable();
da.Fill(dt);
List<ChartDetails> dataList = new List<ChartDetails>();
foreach (DataRow dtrow in dt.Rows)
{
ChartDetails details = new ChartDetails();
details.WeekNumber = Convert.ToInt16(dtrow[0]);
details.DistributorName = dtrow[1].ToString();
details.Count = Convert.ToUInt16(dtrow[2]);
dataList.Add(details);
}
ChartOutput output = new ChartOutput();
output.Data = new List<int[]>();
output.Columns = new List<string>();
var orderedListOfDistributorNames = dataList.Select(x => x.DistributorName).Distinct().OrderBy(x => x).ToArray();
output.Columns.Add("WeekNumber");
output.Columns.AddRange(orderedListOfDistributorNames);
var weekGrouping = dataList.GroupBy(k => k.WeekNumber, v => v);
foreach (var g in weekGrouping)
{
var n = output.Columns.Count;
int[] dataRow = new int[n];
var currentWeekNumber = g.Key;
dataRow[0] = currentWeekNumber;
for (int i = 0; i < orderedListOfDistributorNames.Count(); i++)
{
var distrtibutorToCheck = orderedListOfDistributorNames[i];
var distributorFromGrouping = g.FirstOrDefault(x => x.DistributorName == distrtibutorToCheck);
if (distributorFromGrouping != null)
dataRow[i + 1] = distributorFromGrouping.Count;
}
output.Data.Add(dataRow);
}
return output;
}
}
public class ChartOutput
{
public List<string> Columns { get; set; }
public List<int[]> Data { get; set; }
}
public class ChartDetails
{
public string DistributorName { get; set; }
public int WeekNumber { get; set; }
public int Count { get; set; }
}
[WebMethod]
公共静态图表输出GetChartData()
{
使用(SqlConnection con=newsqlconnection(ConfigurationManager.ConnectionString[“ConnectionString”].ToString())
{
SqlCommand cmd=新的SqlCommand(“Usp_Getdata3”,con);
cmd.CommandType=CommandType.storedProcess;
SqlDataAdapter da=新的SqlDataAdapter();
da.SelectCommand=cmd;
DataTable dt=新的DataTable();
da.填充(dt);
List dataList=新列表();
foreach(数据行中的数据行)
{
ChartDetails=新的ChartDetails();
details.WeekNumber=Convert.ToInt16(dtrow[0]);
details.DistributorName=dtrow[1].ToString();
details.Count=Convert.ToUInt16(dtrow[2]);
数据列表。添加(详细信息);
}
ChartOutput=新的ChartOutput();
output.Data=新列表();
output.Columns=新列表();
var orderedListOfDistributorNames=dataList.Select(x=>x.DistributorName).Distinct().OrderBy(x=>x).ToArray();
output.Columns.Add(“周数”);
output.Columns.AddRange(orderedListOfDistributorNames);
var weekgroup=dataList.GroupBy(k=>k.WeekNumber,v=>v);
foreach(变量g在周组中)
{
var n=output.Columns.Count;
int[]数据行=新的int[n];
var currentWeekNumber=g.键;
dataRow[0]=当前周数;
for(int i=0;ix.DistributorName==DistributorToCheck);
if(distributorFromGrouping!=null)
dataRow[i+1]=distributorFromGrouping.Count;
}
output.Data.Add(dataRow);
}
返回输出;
}
}
公共类图表输出
{
公共列表列{get;set;}
公共列表数据{get;set;}
}
公共类图表详细信息
{
公共字符串DistributorName{get;set;}
公共整数周数{get;set;}
公共整数计数{get;set;}
}
首先,这个勇敢的例子不使用仪表板。每个控件都是单独绘制的 使用仪表板将覆盖图表和控件包装上的数据表定义。
在这里将它们设置为相同的数据表-->
dash.draw(数据)代码>
从而导致-->列标签无效:colLabel
此外,上的'statechange'
事件不会向回调函数传递任何参数。
setChartView
的wrapper
参数将不起作用