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    <p>Refer: <a href="http://www.asp.net/web-forms/videos/how-do-i/how-do-i-create-a-custom-membership-provider" rel="nofollow noreferrer">How to: Sample Membership Provider Implementation</a></p> <p>Check this code snippet </p> <pre><code>public override MembershipUser CreateUser(string username, string password, string email, string passwordQuestion, string passwordAnswer, bool isApproved, object providerUserKey, out MembershipCreateStatus status) { ValidatePasswordEventArgs args = new ValidatePasswordEventArgs(username, password, true); OnValidatingPassword(args); if (args.Cancel) { status = MembershipCreateStatus.InvalidPassword; return null; } if (RequiresUniqueEmail &amp;&amp; GetUserNameByEmail(email) != "") { status = MembershipCreateStatus.DuplicateEmail; return null; } MembershipUser u = GetUser(username, false); if (u == null) { DateTime createDate = DateTime.Now; if (providerUserKey == null) { providerUserKey = Guid.NewGuid(); } else { if ( !(providerUserKey is Guid) ) { status = MembershipCreateStatus.InvalidProviderUserKey; return null; } } OdbcConnection conn = new OdbcConnection(connectionString); OdbcCommand cmd = new OdbcCommand("INSERT INTO Users " + " (PKID, Username, Password, Email, PasswordQuestion, " + " PasswordAnswer, IsApproved," + " Comment, CreationDate, LastPasswordChangedDate, LastActivityDate," + " ApplicationName, IsLockedOut, LastLockedOutDate," + " FailedPasswordAttemptCount, FailedPasswordAttemptWindowStart, " + " FailedPasswordAnswerAttemptCount, FailedPasswordAnswerAttemptWindowStart)" + " Values(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)", conn); cmd.Parameters.Add("@PKID", OdbcType.UniqueIdentifier).Value = providerUserKey; cmd.Parameters.Add("@Username", OdbcType.VarChar, 255).Value = username; cmd.Parameters.Add("@Password", OdbcType.VarChar, 255).Value = EncodePassword(password); cmd.Parameters.Add("@Email", OdbcType.VarChar, 128).Value = email; cmd.Parameters.Add("@PasswordQuestion", OdbcType.VarChar, 255).Value = passwordQuestion; cmd.Parameters.Add("@PasswordAnswer", OdbcType.VarChar, 255).Value = EncodePassword(passwordAnswer); cmd.Parameters.Add("@IsApproved", OdbcType.Bit).Value = isApproved; cmd.Parameters.Add("@Comment", OdbcType.VarChar, 255).Value = ""; cmd.Parameters.Add("@CreationDate", OdbcType.DateTime).Value = createDate; cmd.Parameters.Add("@LastPasswordChangedDate", OdbcType.DateTime).Value = createDate; cmd.Parameters.Add("@LastActivityDate", OdbcType.DateTime).Value = createDate; cmd.Parameters.Add("@ApplicationName", OdbcType.VarChar, 255).Value = pApplicationName; cmd.Parameters.Add("@IsLockedOut", OdbcType.Bit).Value = false; cmd.Parameters.Add("@LastLockedOutDate", OdbcType.DateTime).Value = createDate; cmd.Parameters.Add("@FailedPasswordAttemptCount", OdbcType.Int).Value = 0; cmd.Parameters.Add("@FailedPasswordAttemptWindowStart", OdbcType.DateTime).Value = createDate; cmd.Parameters.Add("@FailedPasswordAnswerAttemptCount", OdbcType.Int).Value = 0; cmd.Parameters.Add("@FailedPasswordAnswerAttemptWindowStart", OdbcType.DateTime).Value = createDate; try { conn.Open(); int recAdded = cmd.ExecuteNonQuery(); if (recAdded &gt; 0) { status = MembershipCreateStatus.Success; } else { status = MembershipCreateStatus.UserRejected; } } catch (OdbcException e) { if (WriteExceptionsToEventLog) { WriteToEventLog(e, "CreateUser"); } status = MembershipCreateStatus.ProviderError; } finally { conn.Close(); } return GetUser(username, false); } else { status = MembershipCreateStatus.DuplicateUserName; } return null; } </code></pre> <p>/// //<br> // MembershipProvider.GetUser(string, bool) //</p> <pre><code>public override MembershipUser GetUser(string username, bool userIsOnline) { OdbcConnection conn = new OdbcConnection(connectionString); OdbcCommand cmd = new OdbcCommand("SELECT PKID, Username, Email, PasswordQuestion," + " Comment, IsApproved, IsLockedOut, CreationDate, LastLoginDate," + " LastActivityDate, LastPasswordChangedDate, LastLockedOutDate" + " FROM Users WHERE Username = ? AND ApplicationName = ?", conn); cmd.Parameters.Add("@Username", OdbcType.VarChar, 255).Value = username; cmd.Parameters.Add("@ApplicationName", OdbcType.VarChar, 255).Value = pApplicationName; MembershipUser u = null; OdbcDataReader reader = null; try { conn.Open(); reader = cmd.ExecuteReader(); if (reader.HasRows) { reader.Read(); u = GetUserFromReader(reader); if (userIsOnline) { OdbcCommand updateCmd = new OdbcCommand("UPDATE Users " + "SET LastActivityDate = ? " + "WHERE Username = ? AND Applicationname = ?", conn); updateCmd.Parameters.Add("@LastActivityDate", OdbcType.DateTime).Value = DateTime.Now; updateCmd.Parameters.Add("@Username", OdbcType.VarChar, 255).Value = username; updateCmd.Parameters.Add("@ApplicationName", OdbcType.VarChar, 255).Value = pApplicationName; updateCmd.ExecuteNonQuery(); } } } catch (OdbcException e) { if (WriteExceptionsToEventLog) { WriteToEventLog(e, "GetUser(String, Boolean)"); throw new ProviderException(exceptionMessage); } else { throw e; } } finally { if (reader != null) { reader.Close(); } conn.Close(); } return u; } </code></pre> <p>For detailed information go through documentation: <a href="http://msdn.microsoft.com/en-us/library/f1kyba5e%28v=vs.100%29.aspx" rel="nofollow noreferrer">Implementing a Membership Provider</a> </p> <p><a href="https://stackoverflow.com/questions/9263537/sample-code-for-creating-custom-membership-provider">Sample Code for Creating Custom Membership Provider</a></p>
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