Merge multiple XML file data using C# in ASP.Net

Hi Vasanth057,

Please refer the below code.

DataSet dt = new DataSet();
DataSet dt1 = new DataSet();
DataSet dt2 = new DataSet();
dt.ReadXml("~/XmlFile/Customers.xml");
dt1.ReadXml("~/XmlFile/Employee.xml");
dt2.ReadXml("~/XmlFile/Orders.xml");
dt.Merge(dt1.Tables[0]);
dt.Merge(dt2.Tables[0]);
dataGridView1.DataSource = dt;