Answer Posted / purushotham

S we can create its called composite key

ALTER TABLE TableName
ADD CONSTRAINT CONSTRAINT _Name
PRIMARY KEY (attribute1,attribute2)

What is the syntax for datagrid and specifying columns?

2303

---

What is the difference between GridView and Repeater controls in ASP.NET?

812

---

What is datagrid asp.net?

737

---

What is globalization and localization in asp net?

719

---

How you will improve web application performance?

755

---

What does a switch do?

743

---

What do you mean by serialize and marshalbyref?

777

---

How ASP.NET page works?

868

---

Hi this is the coding for adding data in to an xml table i want the coding for update and delete Try Dim emp_xml_doc As New XmlDocument If System.IO.File.Exists(Server.MapPath("emp.xml")) Then emp_xml_doc.Load(Server.MapPath("emp.xml")) Dim myrow_element As XmlElement myrow_element = emp_xml_doc.CreateElement("EmpDetails") Dim str As String str = "" & TxtEmpId.Text & "" & _ "" & TxtName.Text & "" & _ "" & TxtSalary.Text & "" myrow_element.InnerXml = str emp_xml_doc.DocumentElement.AppendChild(myrow_element) emp_xml_doc.Save(Server.MapPath("emp.xml")) Response.Write("Record Saved") Dim ds As New DataSet ds.ReadXml(Server.MapPath("emp.xml")) GridView1.DataSource = ds GridView1.DataBind() Else Response.Write("File does not exist.") End If Catch ex As Exception Response.Write(ex.ToString) End Try *********************** this is the xml file 100 xxx 2000 yyy dddd 77777 rrrr rrrr 6666 qaqa sini 50000 errrrrrrrr rrrrrrrrr 677777 rrr rrr 33

1945

---

What is gridview in asp.net?

685

---

If there are multiple update panels on the page say upd1 and upd2. There is a button placed in upd1. How can you stop upd2 to update when button placed in upd1 is clicked?

785

---

When you are running a component within ASP.NET, what process is it running within on Windows XP? Windows 2000? Windows 2003?

804

---

What is new asp.net core?

791

---

Explain security types in asp.net?

805

---

What is the difference between the asp and asp.net?

712

---