C＃如何将选定的datagridview行的值从一个表单复制到另一个表单上的datagridview行？

Question

我正在使用html敏捷包来获取网格视图的数据。我只是想使用列按钮复制一行以将其发送到另一个表单上的空白网格视图。没有数据绑定或SQL。在填充网格之后，我得到整个数据网格视图，而不用按列按钮。我的代码是：

表1和

private void LeadsDataGridView_CellContentClick(object sender, DataGridViewCellEventArgs e) 
{ 
    Database DB = new Database(LeadsDataGridView.DataSource); 

    var senderGrid = (DataGridView)sender; 

    if (senderGrid.Columns[e.ColumnIndex] is DataGridViewButtonColumn && e.RowIndex >= 0) 
    { 
     DB.Row = LeadsDataGridView.CurrentRow; 
    } 

    Search_Table.AcceptChanges(); 

    LeadsDataGridView.DataSource = Search_Table; 
} 

表2

public Database(object DataSource) 
{ 
    InitializeComponent(); 
    InitDBTable(); 
    DB_GridView.DataSource = DataSource; 
} 

Answer 1

这里有一个小例子，希望能得到你的方式。

MainWindow.xaml

<Window x:Class="PassingValuesFromFormToForm_45425412.MainWindow" 
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
     xmlns:local="clr-namespace:PassingValuesFromFormToForm_45425412" 
     mc:Ignorable="d" 
     Title="MainWindow" Height="350" Width="525"> 
    <Grid> 
     <DataGrid x:Name="dataGrid" HorizontalAlignment="Left" Margin="61,60,0,0" VerticalAlignment="Top" Width="259"/> 
     <Button x:Name="button" Content="Button" HorizontalAlignment="Left" Margin="29,13,0,0" VerticalAlignment="Top" Width="75" Click="button_Click"/> 
    </Grid> 
</Window> 

MainWindow.xaml.cs

using System.Collections.Generic; 
using System.Windows; 

namespace PassingValuesFromFormToForm_45425412 
{ 
    /// <summary> 
    /// Interaction logic for MainWindow.xaml 
    /// </summary> 
    public partial class MainWindow : Window 
    { 
     List<dgvEntry> dgvList = new List<dgvEntry>(); 
     public MainWindow() 
     { 
      InitializeComponent(); 
      dgvList.Add(new PassingValuesFromFormToForm_45425412.dgvEntry { col1 = "blah blah", col2 = "blehbleh" }); 
      dataGrid.AutoGenerateColumns = true; 
      dataGrid.ItemsSource = dgvList; 
     } 

     private void button_Click(object sender, RoutedEventArgs e) 
     { 
      Window1 win1 = new Window1((dgvEntry)dataGrid.Items[0]); 
      win1.Show(); 
     } 
    } 

    public class dgvEntry { 
     public string col1 { get; set; } 
     public string col2 { get; set; } 
    } 
} 

Window1.xaml

<Window x:Class="PassingValuesFromFormToForm_45425412.Window1" 
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
     xmlns:local="clr-namespace:PassingValuesFromFormToForm_45425412" 
     mc:Ignorable="d" 
     Title="Window1" Height="300" Width="300"> 
    <Grid> 
     <DataGrid x:Name="dataGrid" HorizontalAlignment="Left" Margin="23,39,0,0" VerticalAlignment="Top" Width="181"/> 

    </Grid> 
</Window> 

Window1.xaml.cs

using System.Collections.Generic; 
using System.Windows; 

namespace PassingValuesFromFormToForm_45425412 
{ 
    /// <summary> 
    /// Interaction logic for Window1.xaml 
    /// </summary> 
    public partial class Window1 : Window 
    { 
     public Window1() 
     { 
      InitializeComponent(); 
     } 

     public Window1(dgvEntry incomingItem) 
     { 
      InitializeComponent(); 
      dataGrid.AutoGenerateColumns = true; 
      dataGrid.ItemsSource = new List<dgvEntry> { incomingItem }; 
     } 
    } 
} 

这是WinForms的更新。再次，这是一个最小的例子。为了这个示例的目的，我在表单设计器中没有做任何事情。 一切是通过后面的代码完成的。

Form1.cs的

using System.ComponentModel; 
using System.Drawing; 
using System.Windows.Forms; 

namespace WindowsFormsApplication2 
{ 
    public partial class Form1 : Form 
    { 

     DataGridView dgv = new DataGridView(); 
     BindingList<dgvitem> itemsList = new BindingList<dgvitem>(); 
     bool SendAsRow = true;//just a variable to trigger the proper method in 'Dgv_CellContentClick' 
     Button independantButton = new Button(); 

     public Form1() 
     { 
      InitializeComponent(); 
      InitializeTheDGV(); 
      AddTheButton(); 
      itemsList.Add(new dgvitem { JustaTextField = "aksldjf sadfjasifuqw adsfasf" }); 
      itemsList.Add(new dgvitem { JustaTextField = "qwerioqu aisdfnvmz, oaa"}); 
     } 

     private void InitializeTheDGV() 
     { 
      dgv.Location = new Point(this.Location.X + 5, this.Location.Y + 5); 
      dgv.DataSource = itemsList; 
      dgv.AutoGenerateColumns = false; 
      this.Controls.Add(dgv); 
      dgv.Columns.Add(new DataGridViewTextBoxColumn() { HeaderText = "My col header", Name="mycol1" }); 
      dgv.Columns.Add(new DataGridViewButtonColumn() { HeaderText = "click in this column", Name = "mycol2" }); 
      dgv.Columns["mycol1"].DataPropertyName = "JustaTextField"; 
      dgv.CellContentClick += Dgv_CellContentClick; 
     } 

     private void Dgv_CellContentClick(object sender, DataGridViewCellEventArgs e) 
     { 
      if (!(sender is DataGridView)) 
      { 
       return; 
      } 

      /* 
      * Experiment and Pick your poison 
      */ 
      if (SendAsRow) 
      { 
       Form2 f2r = new Form2(dgv.Rows[e.RowIndex]); 
       f2r.Show(); 
      } 
      else 
      { 
       Form2 f2 = new Form2((string)dgv.Rows[e.RowIndex].Cells[0].FormattedValue); 
       f2.Show(); 
      } 
      /**/ 
     } 


     private void AddTheButton() 
     { 
      independantButton.Location = new Point(this.Location.X + 5, this.Location.Y + dgv2.Height + 15); 
      independantButton.Click += IndependantButton_Click; 
      this.Controls.Add(independantButton); 
     } 

     private void IndependantButton_Click(object sender, System.EventArgs e) 
     { 
      /* 
      * Experiment and Pick your poison 
      */ 
      if (SendAsRow) 
      { 
       Form2 f2r = new Form2(dgv.SelectedRows[0]); 
       f2r.Show(); 
      } 
      else 
      { 
       Form2 f2 = new Form2((string)dgv.SelectedRows[0].Cells[0].FormattedValue); 
       f2.Show(); 
      } 
      /**/ 

     } 
    } 


    public class dgvitem 
    { 
     public string JustaTextField { get; set; } 
    } 
} 

Form2.cs

using System.ComponentModel; 
using System.Drawing; 
using System.Windows.Forms; 

namespace WindowsFormsApplication2 
{ 
    public partial class Form2 : Form 
    { 
     DataGridView dgv2 = new DataGridView(); 
     BindingList<dgv2item> dgv2list = new BindingList<dgv2item>(); 

     //this is the 'default' constructor which takes no argument 
     public Form2() 
     { 
      InitializeComponent(); 
      MakeTheGrid(); 
     } 

     //this form constructor takes a String parameter so you can pass only a string 
     public Form2(string incomingText) 
     { 
      InitializeComponent(); 
      MakeTheGrid(); 
      dgv2list.Add(new dgv2item { coolBeans = incomingText });//add the incoming String to the itemList, which will in-turn update the DataGridView 
     } 


     //this form constructor takes a DataGridViewRow parameter so you can pass the whole row 
     public Form2(DataGridViewRow incomingRow) 
     { 
      InitializeComponent(); 
      MakeTheGrid(); 
      dgv2list.Add(new dgv2item { coolBeans = (string)incomingRow.Cells[0].FormattedValue});//add the value of the cell you want out of the row to the itemlist, which will in-turn update the DataGridView 
     } 


     private void MakeTheGrid() 
     { 
      dgv2.Location = new Point(this.Location.X + 15, this.Location.Y + 15);//it has to go somewhere... 
      dgv2.AutoGenerateColumns = true; 
      dgv2.DataSource = dgv2list;//define where to find the data 
      this.Controls.Add(dgv2);//add it to the form 
     } 
    } 


    public class dgv2item 
    { 
     public string coolBeans { get; set; } 
    } 
}