使用datagrid做全选全不选（拿出你得Codeing）

Question

using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;namespace Infragistics.Samples.WPF.xamFeatureBrowser.Samples.XamDataGrid
{
    public partial class CheckBoxInRecordSelectors_Samp : Page
    {
        public CheckBoxInRecordSelectors_Samp()
        {
            InitializeComponent();            List<PersonViewModel> members =
                (from p in Person.GetPeople()
                 select new PersonViewModel(p))
                .ToList();            base.DataContext = new CommunityViewModel(members);
        }        void OnShowRecords(object sender, RoutedEventArgs e)
        {
            List<string> checkedNames = new List<string>();
            List<string> uncheckedNames = new List<string>();            var community = base.DataContext as CommunityViewModel;
            foreach (PersonViewModel p in community.Members)
            {
                if (p.IsChecked)
                    checkedNames.Add(p.LastName);
                else
                    uncheckedNames.Add(p.LastName);
            }            checkedNames.Sort();
            uncheckedNames.Sort();            StringBuilder sb = new StringBuilder();            sb.AppendLine(Strings.ControlComposition_CheckBoxInRecordSelectors_MessageBox_Checked);
            foreach (string s in checkedNames)
                sb.AppendLine(s);            sb.AppendLine();            sb.AppendLine(Strings.ControlComposition_CheckBoxInRecordSelectors_MessageBox_Unchecked);
            foreach (string s in uncheckedNames)
                sb.AppendLine(s);            string msg = sb.ToString();
            string caption = Strings.ControlComposition_CheckBoxInRecordSelectors_MessageBox_Caption;
            MessageBox.Show(msg, caption, MessageBoxButton.OK, MessageBoxImage.Information);
        }        #region Person [nested class]        /// <summary>
        /// A simple data object that stores information about a person.
        /// </summary>
        public class Person
        {
            public static Person[] GetPeople()
            {
                return new Person[]
            {
                new Person("Jane", "Smith", 23),
                new Person("Mike", "Wheeler", 45),
                new Person("Ned", "Ableton", 67),
                new Person("Patrick", "McCort", 12),
                new Person("Ravi", "Patel", 28),
                new Person("Wallace", "Barrington", 42),
            };
            }            public Person(string firstName, string lastName, int age)
            {
                this.FirstName = firstName;
                this.LastName = lastName;
                this.Age = age;
            }            public int Age { get; private set; }
            public string FirstName { get; private set; }
            public string LastName { get; private set; }
        }        #endregion // Person [nested class]        #region PersonViewModel [nested class]        /// <summary>
        /// A presentation-friendly wrapper for the Person class, which has support for being 'checked.'
        /// </summary>
        public class PersonViewModel : INotifyPropertyChanged
        {
            readonly Person _person;
            bool _isChecked;            public PersonViewModel(Person person)
            {
                _person = person;
            }            public bool IsChecked
            {
                get { return _isChecked; }
                set
                {
                    if (value == _isChecked)
                        return;                    _isChecked = value;                    this.OnPropertyChanged("IsChecked");
                }
            }            public int Age { get { return _person.Age; } }
            public string FirstName { get { return _person.FirstName; } }
            public string LastName { get { return _person.LastName; } }            #region INotifyPropertyChanged Members            public event PropertyChangedEventHandler PropertyChanged;            void OnPropertyChanged(string prop)
            {
                if (this.PropertyChanged != null)
                    this.PropertyChanged(this, new PropertyChangedEventArgs(prop));
            }            #endregion // INotifyPropertyChanged Members
        }        #endregion // PersonViewModel [nested class]        #region CommunityViewModel [nested class]        /// <summary>
        /// A presentation-friendly class that contains a list of PersonViewModel objects
        /// and manages an aggregated check state for the group, via the get/set property
        /// called AllMembersAreChecked.
        /// </summary>
        public class CommunityViewModel : INotifyPropertyChanged
        {
            public CommunityViewModel(List<PersonViewModel> members)
            {
                this.Members = members;                foreach (PersonViewModel member in members)
                    member.PropertyChanged += (sender, e) =>
                    {
                        // Raising PropertyChanged for the AllMembersAreChecked
                        // property causes the data binding system to query its
                        // getter for the new value.
                        if (e.PropertyName == "IsChecked")
                            this.OnPropertyChanged("AllMembersAreChecked");
                    };
            }            public List<PersonViewModel> Members { get; private set; }            public bool? AllMembersAreChecked
            {
                get
                {
                    // Determine if all members have the same 
                    // value for the IsChecked property.
                    bool? value = null;
                    for (int i = 0; i < this.Members.Count; ++i)
                    {
                        if (i == 0)
                        {
                            value = this.Members[0].IsChecked;
                        }
                        else if (value != this.Members[i].IsChecked)
                        {
                            value = null;
                            break;
                        }
                    }                    return value;
                }
                set
                {
                    if (value == null)
                        return;                    foreach (PersonViewModel member in this.Members)
                        member.IsChecked = value.Value;
                }
            }            #region INotifyPropertyChanged Members            public event PropertyChangedEventHandler PropertyChanged;            void OnPropertyChanged(string prop)
            {
                if (this.PropertyChanged != null)
                    this.PropertyChanged(this, new PropertyChangedEventArgs(prop));
            }            #endregion // INotifyPropertyChanged Members
        }        #endregion // CommunityViewModel [nested class]
    }    public class CheckBoxInRecordSelectors_Samp_Root
        : Infragistics.Samples.WPF.xamFeatureBrowser.Controls.LocalizationRoot
    {
        public string Button_ShowRecords
        {
            get { return Strings.ControlComposition_CheckBoxInRecordSelectors_Button_ShowRecords; }
        }
    }
}这个是我看的一个例子 可以实现全选全不选  但是Header好像不能自定义！
有没有简单点得实现方法！假的我也有！
假的就算了！希望大家能交流下！

Answer 1

private void checkedAll_CheckedChanged(object sender, System.EventArgs e)
{
    // 选中全选
    if(checkedAll.Checked.Equals(true))
    {
        foreach(DataGridItem dgi in dtgShowData.Items)
        {
            CheckBox cb1 = (CheckBox)dgi.FindControl("checkBox1");
            // 选中
            cb1.Checked = true;
        }
    }
    // 取消全选
    if(checkedAll.Checked.Equals(false))
    {
        foreach(DataGridItem dgi in dtgShowData.Items)
        {
            CheckBox cb2 = (CheckBox)dgi.FindControl("checkBox1");
            // 取消选中
            cb2.Checked = false;
        }
    }
}<!--页面：Datagrid外位置增加一个复选框asp:CheckBox。选中则为全选，取消选中则为全不选。-->
<asp:CheckBox Runat="server" ID="checkedAll" AutoPostBack="True" Text="全选/全不选"></asp:CheckBox>

Answer 2

/// <summary>
        /// 全选
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnCheckAll_Click(object sender, EventArgs e)
        {
            try
            {
                for (int i = 0; i < this.dgvStock.Rows.Count; i++)
                {
                    DataGridViewCheckBoxCell checkcell = (DataGridViewCheckBoxCell)this.dgvStock.Rows[i].Cells["ISCheck"];
                    checkcell.Value = true;
                }
            }
            catch (Exception exp)
            {
                MessageHelper.ShowInfo(this, exp.Message);
            }
        }
        /// <summary>
        /// 不全选
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnCheckCancel_Click(object sender, EventArgs e)
        {
            try
            {
                for (int i = 0; i < this.dgvStock.Rows.Count; i++)
                {
                    DataGridViewCheckBoxCell checkcell = (DataGridViewCheckBoxCell)this.dgvStock.Rows[i].Cells["ISCheck"];
                    checkcell.Value = false;
                }
            }
            catch (Exception exp)
            {
                MessageHelper.ShowInfo(this, exp.Message);
            }
        }
        /// <summary>
        /// 单选
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dgvStock_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            try
            {
                if (e.ColumnIndex == -1 || e.RowIndex == -1) return;
                DataGridViewCheckBoxCell checkcell = (DataGridViewCheckBoxCell)this.dgvStock.Rows[e.RowIndex].Cells["ISCheck"];
                Boolean flag = Convert.ToBoolean(checkcell.Value);
                if (flag)
                {
                    checkcell.Value = false;
                }
                else
                {
                    checkcell.Value = true;
                }
            }
            catch (Exception exp)
            {
                MessageHelper.ShowInfo(this, exp.Message);
            }
        }

Answer 3

lz
我有winfrom实现全选反选的demo
QQ453367672 

Answer 4

WPF中datagrid实现全选全不选就这么的发杂吗？

Answer 5

还是用js 或Jquery 吧，方便好用。