protected void TextBox1_TextChanged(object sender, EventArgs e) { List <StudentInfor> allUsersList = Application["AllUsersList"] as List <StudentInfor>; try { if (IsPostBack) { int i = 0; for (i = 0; i < allUsersList.Count; i++) { if (allUsersList[i].socialSecurityNumber == this.TextBox1.Text) { string str2 = this.TextBox1.Text + ":"; string str = "social security number is already existing.Please login"; string mainstr = str2 + str; //Response.Write("<script language=javascript>alert('"+str2 + ""+ str + "');</script>"); ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "err_msg", "alert('" + mainstr + "');window.location='registration.aspx';", true); break; } } } } catch { } SSNValidator.Validate(); SSNValidatorRegularExpressionValidator.Validate(); }
public string ValidationMsg() { // If we have no text to validate... if (String.IsNullOrEmpty(_attachedTextControl.Text.Trim())) { if (_required) { return("Please enter a value into " + _nomenclature); } return(String.Empty); } // If we got here then there is text to validate if (_attachedTextControl.Text == _originalText) { // Assume the original text is in the proper validation style if (_validationStyle == ValidationStyle.NoOriginalValue) { return("Please enter a different value into " + _nomenclature); } return(String.Empty); } // Okay, we have something to validate and its not the original value... string returnMsg = String.Empty; TextValidator validator; string errSuffix = " into " + _nomenclature; switch (_validationStyle) { case ValidationStyle.NoValidation: returnMsg = String.Empty; break; case ValidationStyle.DateAny: validator = new DateValidator(DateStyle.DontCare); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.DateFuture: validator = new DateValidator(DateStyle.Future); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.DatePast: validator = new DateValidator(DateStyle.Past); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.DigitsOnly: validator = new DigitsValidator(DigitStyle.DigitsOnly); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.DigitsNotZero: validator = new DigitsValidator(DigitStyle.DigitsNotZero); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.Money: validator = new DigitsValidator(DigitStyle.Money); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.MoneyNotZero: validator = new DigitsValidator(DigitStyle.MoneyNotZero); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.Percentage: validator = new DigitsValidator(DigitStyle.Percentage); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.PercentageNotZero: validator = new DigitsValidator(DigitStyle.PercentageNotZero); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.PhoneNumber: validator = new PhoneNumberValidator(); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.EmailAddr: validator = new PureTextValidator(PureTextStyle.EmailAddress); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.StateAbbreviation: validator = new PureTextValidator(PureTextStyle.StateAbbreviation); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.NoWhiteSpace: validator = new PureTextValidator(PureTextStyle.NoWhiteSpace); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.NoPunctuation: validator = new PureTextValidator(PureTextStyle.NoPunctuation); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.NoWhiteSpaceAndNoPunct: validator = new PureTextValidator(PureTextStyle.NoWhiteSpaceAndNoPunct); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.SSN: validator = new SSNValidator(); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.Time: validator = new TimeValidator(); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; case ValidationStyle.ZipPlus4: validator = new ZipCodeValidator(); returnMsg = validator.Validate(_attachedTextControl.Text); if (returnMsg.Length > 0) { returnMsg = returnMsg + errSuffix; } break; } return(returnMsg); }