using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using DevExpress.XtraEditors.DXErrorProvider;
namespace DevExpress.Tutorials.XtraEditors {
public partial class ModuleDXValidationProvider : DevExpress.Tutorials.XtraEditors.Tutorial {
public ModuleDXValidationProvider() {
InitializeComponent();
InitValidationRules();
InitFieldValues();
}
private void ModuleDXValidationProvider_Load(object sender, EventArgs e) {
manualValidate.Checked = true;
dxValidationProvider1.ValidationMode = ValidationMode.Manual;
dxValidationProvider1.Validate();
}
// <autoValidateCheck>
// <manualValidate>
private void OnCheckedChanged(object sender, EventArgs e) {
dxValidationProvider1.ValidationMode = (manualValidate.Checked ? ValidationMode.Manual : ValidationMode.Auto);
btnValidate.Enabled = manualValidate.Checked;
}
// </manualValidate>
// </autoValidateCheck>
private void InitValidationRules() {
// <notEmptyTextEdit>
ConditionValidationRule notEmptyValidationRule = new ConditionValidationRule();
notEmptyValidationRule.ConditionOperator = ConditionOperator.IsNotBlank;
notEmptyValidationRule.ErrorText = "Please enter a value";
// </notEmptyTextEdit>
// <rangeTextEdit>
ConditionValidationRule rangeValidationRule = new ConditionValidationRule();
rangeValidationRule.ConditionOperator = ConditionOperator.Between;
rangeValidationRule.Value1 = 0;
rangeValidationRule.Value2 = 100;
rangeValidationRule.ErrorText = "Please enter a value between 1 and 100";
// </rangeTextEdit>
// <notEqualsComboBoxEdit>
ConditionValidationRule notEqualsValidationRule = new ConditionValidationRule();
notEqualsValidationRule.ConditionOperator = ConditionOperator.NotEquals;
notEqualsValidationRule.Value1 = "(select)";
notEqualsValidationRule.ErrorText = "Please choose a value";
notEqualsValidationRule.ErrorType = ErrorType.Information;
// </notEqualsComboBoxEdit>
// <containsTextEdit>
ConditionValidationRule containsValidationRule = new ConditionValidationRule();
containsValidationRule.ConditionOperator = ConditionOperator.Contains;
containsValidationRule.Value1 = '@';
containsValidationRule.ErrorText = "Please enter a valid email";
containsValidationRule.ErrorType = ErrorType.Warning;
// </containsTextEdit>
// <compareTextEdit>
CompareAgainstControlValidationRule compareValidationRule = new CompareAgainstControlValidationRule();
compareValidationRule.Control = notEmptyTextEdit;
compareValidationRule.CompareControlOperator = CompareControlOperator.Equals;
compareValidationRule.ErrorText = "Please enter a value that equals to the first editor's value";
compareValidationRule.CaseSensitive = true;
// </compareTextEdit>
// <customTextEdit>
CustomValidationRule customValidationRule = new CustomValidationRule();
customValidationRule.ErrorText = "Please enter a valid person name";
customValidationRule.ErrorType = ErrorType.Warning;
// </customTextEdit>
// <notEmptyTextEdit>
dxValidationProvider1.SetValidationRule(notEmptyTextEdit, notEmptyValidationRule);
// </notEmptyTextEdit>
// <rangeTextEdit>
dxValidationProvider1.SetValidationRule(rangeTextEdit, rangeValidationRule);
// </rangeTextEdit>
// <containsTextEdit>
dxValidationProvider1.SetValidationRule(containsTextEdit, containsValidationRule);
// </containsTextEdit>
// <notEqualsComboBoxEdit>
dxValidationProvider1.SetValidationRule(notEqualsComboBoxEdit, notEqualsValidationRule);
// </notEqualsComboBoxEdit>
dxValidationProvider1.SetValidationRule(compareTextEdit, compareValidationRule);
// <customTextEdit>
dxValidationProvider1.SetValidationRule(customTextEdit, customValidationRule);
// </customTextEdit>
}
private void InitFieldValues() {
notEmptyTextEdit.EditValue = "DevExpress";
rangeTextEdit.EditValue = 570;
containsTextEdit.EditValue = "support@devexpress.com";
notEqualsComboBoxEdit.EditValue = "(select)";
compareTextEdit.EditValue = notEmptyTextEdit.EditValue;
customTextEdit.EditValue = "Mr. Smith";
}
// <manualValidate>
// <btnValidate>
private void btnValidate_Click(object sender, EventArgs e) {
dxValidationProvider1.Validate();
}
// </btnValidate>
// </manualValidate>
#region CustomValidationRule
// <customTextEdit>
public class CustomValidationRule : ValidationRule {
public override bool Validate(Control control, object value) {
string str = (string)value;
string[] values = new string[] { "Dr.", "Mr.", "Mrs.", "Miss", "Ms." };
bool res = false;
foreach(string val in values) {
if(ValidationHelper.Validate(str, ConditionOperator.BeginsWith, val, null, null, false)) {
string name = str.Substring(val.Length);
if(name.Trim().Length > 0) res = true;
}
}
return res;
}
}
// </customTextEdit>
#endregion
}
}
