Я пытался запустить этот код в течение 2 дней, и кажется, что он просто способен запустить предварительный просмотр, который не имеет никакого отношения к моей базе данных.
это код. Я лично не сделал ни одного кода внизу и внес небольшие изменения, чтобы получить данные из моей созданной базы данных.
<script type="text/javascript" src="Scripts/jscharts.js"></script>
<div id="container">
<br />
<asp:DropDownList ID="DropDownList1" CssClass="dropdown" runat="server">
<asp:ListItem>2017</asp:ListItem>
<asp:ListItem>2018</asp:ListItem>
<asp:ListItem>2029</asp:ListItem>
</asp:DropDownList><asp:Button ID="Button1" runat="server" class="btn" Text="Generate Report" OnClick="Button1_Click" />
<hr/>
<div id="graph">
Loading...</div>
</div>
<script type="text/javascript">
var myChart = new JSChart('graph', 'line');
myChart.setDataXML("xml/data.xml");
myChart.draw();
</script>
Код, лежащий в основе. его в кнопку
int yearSelected = Convert.ToInt32(DropDownList1.Text);
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString);
try
{
con.Open();
string query = "SELECT year(Order_Date) AS y, month(Order_Date) AS m, sum(GrandTotal) AS totalTransaction FROM GuestOrder WHERE year(Order_Date)=" + yearSelected + " GROUP BY year(Order_Date), month(Order_Date)";
SqlCommand cmd = new SqlCommand(query, con);
cmd.CommandType = CommandType.Text;
SqlDataReader dr = cmd.ExecuteReader();
// Create a new, empty document
System.Xml.XmlDocument doc = new System.Xml.XmlDocument();
System.Xml.XmlNode docNode = doc.CreateXmlDeclaration("1.0", "UTF-8", null);
doc.AppendChild(docNode);
// Create and insert a new element
System.Xml.XmlNode JSChart = doc.CreateElement("JSChart");
doc.AppendChild(JSChart);
// Create a nested element (with an attribute)
System.Xml.XmlNode dataset = doc.CreateElement("dataset");
System.Xml.XmlAttribute productAttribute = doc.CreateAttribute("type");
productAttribute.Value = "line";
dataset.Attributes.Append(productAttribute);
while (dr.Read())
{
System.Xml.XmlNode dataXML = doc.CreateElement("data");
System.Xml.XmlAttribute dataAttribute1 = doc.CreateAttribute("unit");
dataAttribute1.Value = dr["m"].ToString();
dataXML.Attributes.Append(dataAttribute1);
System.Xml.XmlAttribute dataAttribute2 = doc.CreateAttribute("value");
dataAttribute2.Value = dr["totalTransaction"].ToString();
dataXML.Attributes.Append(dataAttribute2);
dataset.AppendChild(dataXML);
}
JSChart.AppendChild(dataset);
// Create a nested element (with an attribute)
System.Xml.XmlNode optionset = doc.CreateElement("optionset");
//optionset.Attributes.Append(productAttribute);
System.Xml.XmlNode option1 = doc.CreateElement("option");
System.Xml.XmlAttribute set1 = doc.CreateAttribute("set");
set1.Value = "setAxisColor";
option1.Attributes.Append(set1);
System.Xml.XmlAttribute value1 = doc.CreateAttribute("value");
value1.Value = "'#656565'";
option1.Attributes.Append(value1);
optionset.AppendChild(option1);
System.Xml.XmlNode option2 = doc.CreateElement("option");
System.Xml.XmlAttribute set2 = doc.CreateAttribute("set");
set2.Value = "setAxisNameColor";
option2.Attributes.Append(set2);
System.Xml.XmlAttribute value2 = doc.CreateAttribute("value");
value2.Value = "'#4A4A4A'";
option2.Attributes.Append(value2);
optionset.AppendChild(option2);
System.Xml.XmlNode option3 = doc.CreateElement("option");
System.Xml.XmlAttribute set3 = doc.CreateAttribute("set");
set3.Value = "setAxisNameFontSize";
option3.Attributes.Append(set3);
System.Xml.XmlAttribute value3 = doc.CreateAttribute("value");
value3.Value = "10";
option3.Attributes.Append(value3);
optionset.AppendChild(option3);
System.Xml.XmlNode option4 = doc.CreateElement("option");
System.Xml.XmlAttribute set4 = doc.CreateAttribute("set");
set4.Value = "setAxisNameX";
option4.Attributes.Append(set4);
System.Xml.XmlAttribute value4 = doc.CreateAttribute("value");
value4.Value = "'Months'";
option4.Attributes.Append(value4);
optionset.AppendChild(option4);
System.Xml.XmlNode option5 = doc.CreateElement("option");
System.Xml.XmlAttribute set5 = doc.CreateAttribute("set");
set5.Value = "setAxisNameY";
option5.Attributes.Append(set5);
System.Xml.XmlAttribute value5 = doc.CreateAttribute("value");
value5.Value = "'Profits'";
option5.Attributes.Append(value5);
optionset.AppendChild(option5);
System.Xml.XmlNode option6 = doc.CreateElement("option");
System.Xml.XmlAttribute set6 = doc.CreateAttribute("set");
set6.Value = "setAxisPaddingBottom";
option6.Attributes.Append(set6);
System.Xml.XmlAttribute value6 = doc.CreateAttribute("value");
value6.Value = "60";
option6.Attributes.Append(value6);
optionset.AppendChild(option6);
System.Xml.XmlNode option7 = doc.CreateElement("option");
System.Xml.XmlAttribute set7 = doc.CreateAttribute("set");
set7.Value = "setAxisPaddingLeft";
option7.Attributes.Append(set7);
System.Xml.XmlAttribute value7 = doc.CreateAttribute("value");
value7.Value = "180";
option7.Attributes.Append(value7);
optionset.AppendChild(option7);
System.Xml.XmlNode option8 = doc.CreateElement("option");
System.Xml.XmlAttribute set8 = doc.CreateAttribute("set");
set8.Value = "setAxisPaddingRight";
option8.Attributes.Append(set8);
System.Xml.XmlAttribute value8 = doc.CreateAttribute("value");
value8.Value = "170";
option8.Attributes.Append(value8);
optionset.AppendChild(option8);
System.Xml.XmlNode option9 = doc.CreateElement("option");
System.Xml.XmlAttribute set9 = doc.CreateAttribute("set");
set9.Value = "setAxisPaddingTop";
option9.Attributes.Append(set9);
System.Xml.XmlAttribute value9 = doc.CreateAttribute("value");
value9.Value = "65";
option9.Attributes.Append(value9);
optionset.AppendChild(option9);
System.Xml.XmlNode option10 = doc.CreateElement("option");
System.Xml.XmlAttribute set10 = doc.CreateAttribute("set");
set10.Value = "setAxisValuesColor";
option10.Attributes.Append(set10);
System.Xml.XmlAttribute value10 = doc.CreateAttribute("value");
value10.Value = "'#656565'";
option10.Attributes.Append(value10);
optionset.AppendChild(option10);
System.Xml.XmlNode option11 = doc.CreateElement("option");
System.Xml.XmlAttribute set11 = doc.CreateAttribute("set");
set11.Value = "setGrid";
option11.Attributes.Append(set11);
System.Xml.XmlAttribute value11 = doc.CreateAttribute("value");
value11.Value = "true";
option11.Attributes.Append(value11);
optionset.AppendChild(option11);
System.Xml.XmlNode option12 = doc.CreateElement("option");
System.Xml.XmlAttribute set12 = doc.CreateAttribute("set");
set12.Value = "setLineColor";
option12.Attributes.Append(set12);
System.Xml.XmlAttribute value12 = doc.CreateAttribute("value");
value12.Value = "'#8638D5'";
option12.Attributes.Append(value12);
optionset.AppendChild(option12);
System.Xml.XmlNode option13 = doc.CreateElement("option");
System.Xml.XmlAttribute set13 = doc.CreateAttribute("set");
set13.Value = "setShowYValues";
option13.Attributes.Append(set13);
System.Xml.XmlAttribute value13 = doc.CreateAttribute("value");
value13.Value = "true";
option13.Attributes.Append(value13);
optionset.AppendChild(option13);
System.Xml.XmlNode option14 = doc.CreateElement("option");
System.Xml.XmlAttribute set14 = doc.CreateAttribute("set");
set14.Value = "setTitle";
option14.Attributes.Append(set14);
System.Xml.XmlAttribute value14 = doc.CreateAttribute("value");
value14.Value = "'" + yearSelected + "'";
option14.Attributes.Append(value14);
optionset.AppendChild(option14);
System.Xml.XmlNode option15 = doc.CreateElement("option");
System.Xml.XmlAttribute set15 = doc.CreateAttribute("set");
set15.Value = "setTitleColor";
option15.Attributes.Append(set15);
System.Xml.XmlAttribute value15 = doc.CreateAttribute("value");
value15.Value = "'#505050'";
option15.Attributes.Append(value15);
optionset.AppendChild(option15);
System.Xml.XmlNode option16 = doc.CreateElement("option");
System.Xml.XmlAttribute set16 = doc.CreateAttribute("set");
set16.Value = "setSize";
option16.Attributes.Append(set16);
System.Xml.XmlAttribute value16 = doc.CreateAttribute("value");
value16.Value = "1000, 521";
option16.Attributes.Append(value16);
optionset.AppendChild(option16);
System.Xml.XmlNode option17 = doc.CreateElement("option");
System.Xml.XmlAttribute set17 = doc.CreateAttribute("set");
set17.Value = "setTextPaddingBottom";
option17.Attributes.Append(set17);
System.Xml.XmlAttribute value17 = doc.CreateAttribute("value");
value17.Value = "20";
option17.Attributes.Append(value17);
optionset.AppendChild(option17);
System.Xml.XmlNode option18 = doc.CreateElement("option");
System.Xml.XmlAttribute set18 = doc.CreateAttribute("set");
set18.Value = "setTextPaddingLeft";
option18.Attributes.Append(set18);
System.Xml.XmlAttribute value18 = doc.CreateAttribute("value");
value18.Value = "120";
option18.Attributes.Append(value18);
optionset.AppendChild(option18);
System.Xml.XmlNode option19 = doc.CreateElement("option");
System.Xml.XmlAttribute set19 = doc.CreateAttribute("set");
set19.Value = "setTextPaddingTop";
option19.Attributes.Append(set19);
System.Xml.XmlAttribute value19 = doc.CreateAttribute("value");
value19.Value = "15";
option19.Attributes.Append(value19);
optionset.AppendChild(option19);
JSChart.AppendChild(optionset);
// Save the document
doc.Save(Server.MapPath(@".\xml\data.xml"));
con.Close();
}
catch (Exception ex)
{
Response.Write("Error: " + ex.ToString());
}