我使用下面的代码来显示谷歌图表,我想在点击第一个图表时显示另一个图表,这里需要传递值ResourceId
if (resourceDetails != null)
{
dataTable.Columns.Add("ResourceName", typeof(string));
dataTable.Columns.Add("ResourceId", typeof(int));
dataTable.Columns.Add("Planned", typeof(float));
dataTable.Columns.Add("Actual", typeof(float));
foreach (var item in resourceDetails.Distinct().ToArray())
{
dt = GetIndividualData(item.ResourceId, projectId);
if (dt.Rows.Count > 0)
{
for (int i = 0; i <= dt.Rows.Count - 1; i++)
{
DataRow row = dataTable.NewRow();
row["ResourceName"] = item.ResourceName;
row["ResourceId"] = item.ResourceId;
row["Planned"] = float.Parse(dt.Rows[i]["Planned"].ToString());
row["Actual"] = float.Parse(dt.Rows[i]["Actual"].ToString());
dataTable.Rows.Add(row);
}
}
}
if (dataTable.Rows.Count > 0)
{
stringBuilder.Append(@"<script type=*text/javascript*> google.load( *visualization*, *1*, {packages:[*corechart*]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = new google.visualization.DataTable();
data.addColumn('string', 'ResourceName');
data.addColumn('number', 'ResourceId');
data.addColumn('number', 'Planned');
data.addColumn({type: 'string', role: 'style'});
data.addColumn('number', 'Actual');
data.addColumn({type: 'string', role: 'style'});
");
// data.addRows(" + dataTable.Rows.Count + ");
for (int i = 0; i <= dataTable.Rows.Count - 1; i++)
{
if (Convert.ToDecimal(dataTable.Rows[i]["Planned"]) > Convert.ToDecimal(dataTable.Rows[i]["Actual"]))
{
stringBuilder.Append("data.addRow(['" + dataTable.Rows[i]["ResourceName"].ToString() + "'," + dataTable.Rows[i]["ResourceId"].ToString() + ", " + dataTable.Rows[i]["Planned"].ToString() + ",\'color:DeepSkyBlue\'," + dataTable.Rows[i]["Actual"].ToString() + ",\'color:green\']);");
}
else
{
stringBuilder.Append("data.addRow(['" + dataTable.Rows[i]["ResourceName"].ToString() + "', " + dataTable.Rows[i]["ResourceId"].ToString() + "," + dataTable.Rows[i]["Planned"].ToString() + ",\'color:DeepSkyBlue\'," + dataTable.Rows[i]["Actual"].ToString() + ",\'color:red\']);");
}
}
stringBuilder.Append(" var chart = new google.visualization.ColumnChart(document.getElementById('chart_div'));");
stringBuilder.Append(" chart.draw(data, {width: 660, height: 500, title: 'Resource-Performance Graph',");
stringBuilder.Append("legend: {position: 'none'},");
stringBuilder.Append("hAxis: {title: 'Resource', titleTextStyle: {color: 'green'},slantedText:true},width:'645',colors: ['DeepSkyBlue','green'],");
stringBuilder.Append("vAxis:{title: 'Effort (Hr)',titleTextStyle: {color: 'green'}}");
stringBuilder.Append("});");
stringBuilder.Append(" google.visualization.events.addListener(chart, 'onmouseover', function() {$('#chart_div').css('cursor','pointer');});");
stringBuilder.Append(" google.visualization.events.addListener(chart, 'onmouseout', function() {$('#chart_div').css('cursor','default');});");
stringBuilder.Append("google.visualization.events.addListener(chart, 'select', function() {");
stringBuilder.Append("var selection = chart.getSelection();var row = selection[0].row;var col = selection[0].column;var rId = data.getValue(row, 1); var pid = '" + projectId + "'; var pname = '" + projectName + "'; var resId = '" + Convert.ToInt32((Session["ResourceId"])) + "';");
stringBuilder.Append("location.href = '" + ConfigurationManager.AppSettings["SiteLink"].ToString() + "/IndividualGraph.aspx?pId=' + pid + '&pName=' + pname +'&pResId=' + rId ; ");
stringBuilder.Append("});");
stringBuilder.Append("}");
stringBuilder.Append("</script>");
lt.Text = stringBuilder.ToString().Replace('*', '"');
}
}
在这里,我使用ResouceId列将值作为参数传递,但它在图表中显示为列,如何隐藏此列?
解决方法:
您可以使用DataView Class隐藏列
var data = new google.visualization.DataTable();
data.addColumn('string', 'ResourceName');
data.addColumn('number', 'ResourceId');
data.addColumn('number', 'Planned');
data.addColumn({type: 'string', role: 'style'});
data.addColumn('number', 'Actual');
data.addColumn({type: 'string', role: 'style'});
var view = new google.visualization.DataView(data);
view.hideColumns([1]); // array of column indexes to hide
但是,在这种情况下,使用行属性可能是有意义的
它没有出现在图表中
您可以使用定义自己的属性setRowProperty(rowIndex, name, value)
和getRowProperty(rowIndex, name)
DataTable Class还具有Column和Cell Properties的方法
标签:c,google-visualization 来源: https://codeday.me/bug/20190706/1396063.html
本站声明: 1. iCode9 技术分享网(下文简称本站)提供的所有内容,仅供技术学习、探讨和分享; 2. 关于本站的所有留言、评论、转载及引用,纯属内容发起人的个人观点,与本站观点和立场无关; 3. 关于本站的所有言论和文字,纯属内容发起人的个人观点,与本站观点和立场无关; 4. 本站文章均是网友提供,不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属;如您发现该文章侵犯了您的权益,可联系我们第一时间进行删除; 5. 本站为非盈利性的个人网站,所有内容不会用来进行牟利,也不会利用任何形式的广告来间接获益,纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。