Playback Failed - Action Not Supported On Disabled Control Exception

Question

I tried to add a coded UI test for my log-in page and Playback failed by giving this error,
Test method BugTrackerNew._2_Login.CodedUITestMethod1 threw exception:
Microsoft.VisualStudio.TestTools.UITest.Extension.ActionNotSupportedOnDisabledControlException: Cannot perform 'SetProperty of Text with value "Manuli"' on the disabled or read-only control. Additional Details:
TechnologyName:  'MSAA'
Name:  'Read 192.168.20.100'
ControlType:  'Edit'
Please tell me a method to run this test.

Answer 1

Login.cs
using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using System.Windows.Input;
using System.Windows.Forms;
using System.Drawing;
using Microsoft.VisualStudio.TestTools.UITesting;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Microsoft.VisualStudio.TestTools.UITest.Extension;
using Keyboard = Microsoft.VisualStudio.TestTools.UITesting.Keyboard;
namespace BugTrackerNew
    /// <summary>
    /// Summary description for _2_Login
    /// </summary>
    [CodedUITest]
    public class _2_Login
        public _2_Login()
        [TestMethod]
        public void CodedUITestMethod1()
            this.UIMap.EnterUsername();
            this.UIMap.EnterPassword();
            this.UIMap.ClickOK();
        #region Additional test attributes
        // You can use the following additional attributes as you write your tests:
        ////Use TestInitialize to run code before running each test
        //[TestInitialize()]
        //public void MyTestInitialize()
        //    // To generate code for this test, select "Generate Code for Coded UI Test" from the shortcut menu and select one of the menu items.
        //    // For more information on generated code, see http://go.microsoft.com/fwlink/?LinkId=179463
        ////Use TestCleanup to run code after each test has run
        //[TestCleanup()]
        //public void MyTestCleanup()
        //    // To generate code for this test, select "Generate Code for Coded UI Test" from the shortcut menu and select one of the menu items.
        //    // For more information on generated code, see http://go.microsoft.com/fwlink/?LinkId=179463
        #endregion
        /// <summary>
        ///Gets or sets the test context which provides
        ///information about and functionality for the current test run.
        ///</summary>
        public TestContext TestContext
            get
                return testContextInstance;
            set
                testContextInstance = value;
        private TestContext testContextInstance;
        public UIMap UIMap
            get
                if ((this.map == null))
                    this.map = new UIMap();
                return this.map;
        private UIMap map;
EnterUsername
 public void EnterUsername()
            #region Variable Declarations
            WinEdit uIItemEdit = this.UIMozillaFirefoxStartPWindow.UIHttp1921682010090logDocument1.UIItemEdit;
            #endregion
            //uIItemEdit.Text = "Manuli";
            // Type 'Manuli' in text box numbered 3 in 'http://192.168.20.100:90/login.aspx?ReturnUrl=%2fD...' document
            uIItemEdit.Text = this.EnterUsernameParams.UIItemEditText;
EnterPassword
public void EnterPassword()
            #region Variable Declarations
            WinEdit uIItemEdit = this.UIMozillaFirefoxStartPWindow.UIHttp1921682010090logDocument1.UIItemEdit;
            #endregion
            // Click text box numbered 3 in 'http://192.168.20.100:90/login.aspx?ReturnUrl=%2fD...' document
            Mouse.Click(uIItemEdit, new Point(19, 12));
            // Type '********' in text box numbered 3 in 'http://192.168.20.100:90/login.aspx?ReturnUrl=%2fD...' document
            Keyboard.SendKeys(uIItemEdit, this.EnterPasswordParams.UIItemEditSendKeys, true);
ClickOK
 public void ClickOK()
            #region Variable Declarations
            WinButton uIOKButton = this.UIMozillaFirefoxStartPWindow.UIHttp1921682010090logDocument1.UIOKButton;
            #endregion
            // Click 'Ok' button
            Mouse.Click(uIOKButton, new Point(37, 5));
Please help