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(); } } }