read xml and bind the data into ddl

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I have a xml file

XML

<Student>
  <Students Name="StudentName" Type="string" symbol="=,%,!=" /> 
  <Students Name="EmployeeName" Type="string" symbol="=,%,!=" /> 
  <Students Name="ManagerName" Type="undefines" symbol="=,%,!=" /> 
  <undefined value="1" Name="Manager1">
  <undefined value="2" Name="Manager2">
  <Students Name="Level1" Type="string" Operators="=,%,!=" /> 
  <Students Name="Level2" Type="undefines" Operators="=,%,!=" />

I want to read this xml file and bind this to a dropdown which contains name in one dropdown .
On selection of drpdownName it shows the symbol associated with it . means for student name it shows = % != in the form of drop down .

Can anyone help me
How i read it and show it in dropdown

Posted 23-Mar-13 19:31pm

Vimalrashamra

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Deependra Khangarot 24-Mar-13 1:42am

Hi Vimal,

Please clarify what exactly you want to accomplish.
Do you want to select name in one dropdown and on the basis of this selection want to show values in another dropdown?

Vimalrashamra 24-Mar-13 1:47am

Name in first drop down
symbol in second one --- >
for example if i select Name then symbol in next dropdown will be ddl[0] = '=',ddl[1]= '%',ddl[2]= '!=' ...... hope u understand

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Deependra Khangarot · Answer 1 · 2013-03-23T20:30:00

Add two dropdown lists to your aspx page.
Call below function on page load:

C#

public void LoadXML()
       {
           string myXMLfile = Server.MapPath("~/YourFile.xml");
           DataSet ds = new DataSet();
           try
           {
               dsStudent.ReadXml(myXMLfile);
               DropDownList1.DataSource = ds;
               DropDownList1.DataValueField = "Name";
               DropDownList1.DataTextField = "Name";
               DropDownList1.DataBind();

               DropDownList2.DataSource = ds;
               DropDownList2.DataValueField = "Name";
               DropDownList2.DataTextField = "symbol";
               DropDownList2.DataBind();


           }
           catch (Exception ex)
           {
               Response.Write(ex.ToString());
           }
       }

Add SlectedIndex change event to DropDownList1:

C#

protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{

  DropDownList2.Items.FindByValue(DropDownList1.SelectedValue).Selected = true;

}

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