Asp. NET read XML file instance code (1/3)

DataTable DataSource (String xmlfile)
{

DataSet objDS = new DataSet ();

Suppose the XML file is placed in the App_Data directory

Objds.readxml (Httpcontext.current.server.mappath ("~/app_data/" + xmlfile));

return objds.tables[0];

}

String Getfeildtext (DataTable dt, String condition, string outputfieldtext)

{

string result = String.Empty;

datarow[] row = dt.select (condition);

if (Row.length > 0)

result = Row[0][outputfieldtext].tostring ();

return result;

}

Suppose the requirement is: Find name based on ID

String Getsexname (String id)

{

String condition = "id= '" + id+ "'";

Return Getfeildtext (DataSource (), Condition, "name");

}

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