LoginEntry'asp - PowerPoint PPT Presentation

Title: LoginEntry'asp


1
actor
computer
USER LOGIN
LoginEntry.asp
Login Entry
LoginValidation.asp
Validate Login
USER
invalid login
Display Error
valid login
Display Success
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USER
CREATE TABLE USER ( ID TEXT (20) PRIMARY KEY NOT
NULL, Password TEXT (10) NOT NULL, Name TEXT (50)
NOT NULL, eMail TEXT (100) )
http//www.w3schools.com/sql/sql_create.asp
3
LoginValidation.asp
lt ASP code gt
http//www.w3schools.com/asp/asp_syntax.asp
4
LoginValidation.asp
'variables dim Connection, RecordSetData,
SQLStatement
http//www.w3schools.com/asp/asp_variables.asp
5
LoginValidation.asp
'database connection Set ConnectionServer.Create
Object("ADODB.Connection") Connection.Provider
"Microsoft.Jet.OLEDB.4.0" Connection.Open(Server.
Mappath("fpdb/journal.mdb"))
http//www.w3schools.com/ado/ado_connect.asp
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LoginValidation.asp
Set RecordSetData Server.CreateObject("ADODB.Rec
ordset")
http//www.w3schools.com/ado/ado_recordset.asp
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LoginValidation.asp
'SQL statement for Validation SQLStatement
"SELECT FROM USER " SQLStatement
SQLStatement ""
http//www.w3schools.com/sql/sql_select.asp
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LoginValidation.asp
on error resume next RecordSetData.Open
SQLStatement, Connection IF err ltgt 0
THEN Response.write ("ltugtltbgtTHERE IS AN ERROR
PROCESSING YOUR REQUESTlt/bgtlt/ugt") Response.write
("ltbrgt") Response.write ("Error " err.Number
"ltbrgt") Response.write ("Source "
err.Source "ltbrgt") Response.write
("Description " err.Description
"ltbrgt") Response.write (SQLStatement
"ltbrgt") ELSE Response.write (SQLStatement
"ltbrgt") Response.write ("ltbgtS U C C E S
Slt/bgtltbrgt") Response.write ("The first User.ID
is " RecordSetData("ID").value "ltbrgt") END IF
http//www.w3schools.com/ado/ado_recordset.asp
http//www.w3schools.com/ado/ado_ref_error.asp
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LoginValidation.asp
DO UNTIL RecordSetData.EOF FOR EACH FieldName
IN RecordSetData.Fields Response.Write(Fiel
dName.name) Response.Write(" ")
Response.Write(FieldName.value "ltbrgt")
NEXT Response.Write("ltbrgt")
RecordSetData.MoveNext LOOP RecordSetData.close C
onnection.close
http//www.w3schools.com/ado/ado_recordset.asp
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LoginValidation.asp
lt 'variables dim Connection, RecordSetData,
SQLStatement 'database connection Set
ConnectionServer.CreateObject("ADODB.Connection")
Connection.Provider"Microsoft.Jet.OLEDB.4.0"
Connection.Open(Server.Mappath("fpdb/journal.mdb"
)) Set RecordSetData Server.CreateObject("ADODB
.Recordset") 'SQL statement for
Validation SQLStatement "SELECT FROM USER
" SQLStatement SQLStatement "" on error
resume next RecordSetData.Open SQLStatement,
Connection IF err ltgt 0 THEN Response.write
("ltugtltbgtTHERE IS AN ERROR PROCESSING YOUR
REQUESTlt/bgtlt/ugt") Response.write
("ltbrgt") Response.write ("Error " err.Number
"ltbrgt") Response.write ("Source "
err.Source "ltbrgt") Response.write
("Description " err.Description
"ltbrgt") Response.write (SQLStatement
"ltbrgt") ELSE Response.write (SQLStatement
"ltbrgt") Response.write ("ltbgtS U C C E S
Slt/bgtltbrgt") Response.write ("The first User.ID
is " RecordSetData("ID").value "ltbrgt") END
IF DO UNTIL RecordSetData.EOF FOR EACH
FieldName IN RecordSetData.Fields
Response.Write(FieldName.name)
Response.Write(" ") Response.Write(FieldN
ame.value "ltbrgt") NEXT
Response.Write("ltbrgt") RecordSetData.MoveNext
LOOP RecordSetData.close Connection.close gt
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LoginValidation.asp
'SQL statement for Listing UserID request.form
("ID") UserPassword request.form
("Password") SQLStatement "SELECT FROM USER
" SQLStatement SQLStatement "WHERE (ID '"
UserID "' " SQLStatement SQLStatement " AND
" SQLStatement SQLStatement "Password '"
UserPassword "' )" SQLStatement SQLStatement
""
http//www.w3schools.com/sql/sql_where.asp
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LoginEntry.asp
lthtmlgt ltheadgt lttitlegtLoginEntrylt/titlegt lt/headgt
ltbodygt lttable border"0" cellpadding"0"
cellspacing"0" width"600"gt lttrgt lttdgt
ltform method"POST" action"LoginValidation.asp"gt
ltpgt Please enter your User Id ltinput
type"text" name"ID" size"20"gt and
Password ltinput type"password" name"Password"
size"10"gt .lt/pgt ltpgtltinput type"submit"
value"Login" name"LoginButton"gtltinput
type"reset" value"Reset" name"ResetButton"gtlt/pgt
lt/formgt lt/tdgt lt/trgt lt/tablegt lt/bodygt
lt/htmlgt
http//www.w3schools.com/asp/asp_syntax.asp
13
LoginValidation.asp
Response.Cookies("USER")("ID")
RecordSetData("ID").value Response.Cookies("USER")
("Name") RecordSetData("Name").value Response.Coo
kies("USER")("eMail") RecordSetData("eMail").valu
e IF RecordSetData("ID").value gt ""
THEN response.redirect ("TheNextPage.asp") ELSE
response.redirect ("LoginEntry.asp") END IF
http//www.w3schools.com/ado/ado_recordset.asp