dataGridView笔记
最近用dataGridView比较多，先把代码备份在这里，有时间系统总结一下
using FindId.DAL;
using FindId.Model;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace FindId
{
public partial class Form2 : Form
{
public Form2()
{
InitializeComponent();
//bin = new delegateBin(DataBin);
}
public static bool IsClosed = false;
private void Form2_Load(object sender, EventArgs e)
{
CreateView();
}
public void Test()
{
//bin = new delegateBin(DataBin);
}
public static delegateBin bin;
public void DataBin()
{
DAL_Goods dal = new DAL_Goods();
string findGroupID = tbFindGroupID.Text.Trim();
List<Model_Goods> dlist = (List<Model_Goods>)dal.ListWhere(findGroupID);
dataGridView1.Refresh();
dataGridView1.DataSource = dlist;
}
private void CreateView()
{
dataGridView1.AutoGenerateColumns = false;
DataGridViewLinkColumn linkID = new DataGridViewLinkColumn();
linkID.Name = "linkID";
linkID.HeaderText = "id";
linkID.Width = 1;
linkID.DataPropertyName = "ID";
dataGridView1.Columns.Add(linkID);
//DataGridViewTextBoxColumn dgtbGroupID = new DataGridViewTextBoxColumn();
//dgtbGroupID.DataPropertyName = "GroupID";
//dgtbGroupID.Name = "tbGroupID";
//dgtbGroupID.HeaderText = "产品ID";
//dataGridView1.Columns.Add(dgtbGroupID);
DataGridViewTextBoxColumn dgtbGoodsTitle = new DataGridViewTextBoxColumn();
dgtbGoodsTitle.DataPropertyName = "GoodsTitle";
dgtbGoodsTitle.Name = "dgtbGoodsTitle";
dgtbGoodsTitle.HeaderText = "产品名称";
dgtbGoodsTitle.Width = 200;
dataGridView1.Columns.Add(dgtbGoodsTitle);
DataGridViewTextBoxColumn dgtbAttributeTitle = new DataGridViewTextBoxColumn();
dgtbAttributeTitle.DataPropertyName = "AttributeTitle";
//dgtbAttributeTitle.CellTemplate
dgtbAttributeTitle.Name = "dgtbAttributeTitle";
dgtbAttributeTitle.HeaderText = "属性名称";
dataGridView1.Columns.Add(dgtbAttributeTitle);
DataGridViewTextBoxColumn dgtbAttribute = new DataGridViewTextBoxColumn();
dgtbAttribute.DataPropertyName = "Attribute";
dgtbAttribute.Name = "dgtbAttribute";
dgtbAttribute.HeaderText = "内容";
dataGridView1.Columns.Add(dgtbAttribute);
DataGridViewLinkColumn linkDelete = new DataGridViewLinkColumn();
linkDelete.Text = "删除";
linkDelete.Name = "linkDelete";
linkDelete.HeaderText = "删除";
linkDelete.Width = 40;
linkDelete.UseColumnTextForLinkValue = true;
dataGridView1.Columns.Add(linkDelete);
}
private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
{
var Column = dataGridView1.Columns[e.ColumnIndex];
if (Column.Name == "linkDelete")
{
var cellId = dataGridView1.Rows[e.RowIndex].Cells[0];
string temp = cellId.EditedFormattedValue.ToString();
int id;
int.TryParse(temp, out id);
if (MessageBox.Show("确认删除？", "此删除不可恢复", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
new DAL_Goods().Delete(new Model_Goods() { ID = id });
DataBin();
}
}
else
{
//var cellSelected = dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex];
var cellSelected = dataGridView1.Rows[e.RowIndex].Cells[3];
string txt = cellSelected.EditedFormattedValue.ToString();
MessageBox.Show(txt);
}
}
private void dataGridView1_CellEndEdit(object sender, DataGridViewCellEventArgs e)
{
//更新
var cellSelected = dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex];
string txt = cellSelected.EditedFormattedValue.ToString();
var cellId = dataGridView1.Rows[e.RowIndex].Cells[0];
string temp = cellId.EditedFormattedValue.ToString();
int id;
int.TryParse(temp, out id);
DAL_Goods dal = new DAL_Goods();
Model_Goods model = new Model_Goods();
var ColumnsSelected = dataGridView1.Columns[e.ColumnIndex];
if (ColumnsSelected.Name == "dgtbGoodsTitle")
{
model.GoodsTitle = txt;
}
else if (ColumnsSelected.Name == "dgtbAttributeTitle")
{
model.AttributeTitle = txt;
}
else if (ColumnsSelected.Name == "dgtbAttribute")
{
model.Attribute = txt;
}
model.ID = id;
bool b = dal.UpdateAutoCreateSqlText(model);
//MessageBox.Show(string.Format("vale = {0} id = {1} is{2}",txt,id,b));
}
private void btnSave_Click(object sender, EventArgs e)
{
Model_Goods model = new Model_Goods();
model.GroupID = tbGroupID.Text.Trim();
model.GoodsTitle = tbGoodsTitle.Text.Trim();
model.AttributeTitle = tbAttributeTitle.Text.Trim();
model.Attribute = tbAttribute.Text.Trim();
DAL_Goods dal = new DAL_Goods();
dal.AddNew(model);
DataBin();
}
private void btnFindGroupID_Click(object sender, EventArgs e)
{
DataBin();
}
//======================================以下是试验代码 上边的是整理好的可用代码==========================
private void NewMethod1()
{
//DataGridView控件用法（二）：为每行记录最后加“编辑”-“删除”按钮列 - lllljz的专栏 - CSDN博客 https://blog.csdn.net/lllljz/article/details/7718201
////为每行数据增加编辑列。
dataGridView1.AutoGenerateColumns = false; // //设定列不能自动作成
DataGridViewLinkColumn dlink = new DataGridViewLinkColumn();////创建一个DataGridViewLinkColumn列
dlink.Text = "编辑";//添加的这列的显示文字，即每行最后一列显示的文字。
dlink.Name = "linkEdit";
dlink.HeaderText = "编辑";//列的标题
dlink.DataPropertyName = "ID";
//dlink.UseColumnTextForLinkValue = true;//上面设置的dlink.Text文字在列中显示
dataGridView1.Columns.Add(dlink);//将创建的列添加到dataGridView1中
////同上方法为每条记录创建“删除”超链接
DataGridViewLinkColumn dlink2 = new DataGridViewLinkColumn();
dlink2.Text = "删除";
dlink2.Name = "linkDelete";
dlink2.HeaderText = "删除";
dlink2.UseColumnTextForLinkValue = true;
dataGridView1.Columns.Add(dlink2);
////同上方法为每条记录创建“查看”超链接
DataGridViewButtonColumn btn1 = new DataGridViewButtonColumn();
btn1.Text = "查看";
btn1.Name = "linkView";
btn1.HeaderText = "查看";
btn1.UseColumnTextForButtonValue = true;
btn1.Width = 66;
dataGridView1.Columns.Add(btn1);
//DataGridViewComboBoxColumn dCombo = new DataGridViewComboBoxColumn();
//dCombo.Items.Add("编号");
//dCombo.Items.Add("产品ID");
//dCombo.Items.Add("属性名");
//dCombo.Items.Add("属性");
//dCombo.Name = "dCombo";
////dcombo.DisplayIndex = 1; //该列显示的位置
////dCombo.HeaderText = "角色";
//dCombo.DataPropertyName = "GroupID";//绑定的列
//dCombo.DataSource = dlist;
//dCombo.DataPropertyName = "GroupID";//绑定的列
DataGridViewTextBoxColumn tb1 = new DataGridViewTextBoxColumn();
tb1.DataPropertyName = "GroupID";
tb1.Name = "产品ID";
dataGridView1.Columns.Add(tb1);
DataGridViewTextBoxColumn tb2 = new DataGridViewTextBoxColumn();
tb2.DataPropertyName = "GoodsTitle";
tb2.Name = "产品名称";
tb2.Width = 500;
dataGridView1.Columns.Add(tb2);
//绑定数据库的值时使用以下属性
DAL_Goods dal = new DAL_Goods();
List<Model_Goods> dlist = (List<Model_Goods>)dal.ListWhere("124454445744");
//dataGridView1.
dataGridView1.DataSource = dlist;
}
private void dataGridView1_CellMouseDown(object sender, DataGridViewCellMouseEventArgs e)
{
//C# DataGridView添加右键菜单等技巧 --转 - 晔 - 博客园 https://www.cnblogs.com/liye/archive/2010/09/29/1838709.html
if (e.Button == MouseButtons.Right)
{
if (e.RowIndex >= 0)
{
//若行已是选中状态就不再进行设置
if (dataGridView1.Rows[e.RowIndex].Selected == false)
{
dataGridView1.ClearSelection();
dataGridView1.Rows[e.RowIndex].Selected = true;
}
//只选中一行时设置活动单元格
if (dataGridView1.SelectedRows.Count == 1)
{
dataGridView1.CurrentCell = dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex];
}
//弹出操作菜单
contextMenuStrip1.Show(MousePosition.X, MousePosition.Y);
}
var cellId = dataGridView1.Rows[e.RowIndex].Cells[0];
string temp = cellId.EditedFormattedValue.ToString();
int.TryParse(temp, out id);
//MessageBox.Show(id.ToString());
}
}
int id;
private void 编辑ToolStripMenuItem_Click(object sender, EventArgs e)
{
//MessageBox.Show(id.ToString());
FormEdit fedit = new FormEdit(id);
fedit.ShowDialog();
}
private void 删除ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (MessageBox.Show("确认删除？", "此删除不可恢复", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
new DAL_Goods().Delete(new Model_Goods() { ID = id });
DataBin();
}
}
private void btnAddNew_Click(object sender, EventArgs e)
{
FormAddNew frAdd = new FormAddNew();
frAdd.ShowDialog();
}
}
}
