C# DataGridView.ClearSelection方法代码示例

        public static void IniDropDownList(DataGridView dgw, string dbtype, string filetype)
        {
            dgw.AutoGenerateColumns = false;
            dgw.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
            dgw.Columns[dgw.ColumnCount - 1].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            MySqlDataContext db = MySqlHelper.DataContext;
            var res = from tmp in db.CfGTemplate
                      select tmp;
            if (dbtype != "")
            {
                res = res.Where(x => x.DbType == dbtype);
            }
            if (filetype != "")
            {
                res = res.Where(x => x.FileType.Contains(filetype));
            }
            List<tmpinfo> ztlist = (from tmp in res
                                    select new tmpinfo() { Id = tmp.ID, Name = tmp.Name, Dbtype = tmp.DbType, Filetype = tmp.FileType, Path = tmp.Path }).ToList<tmpinfo>();
            if (filetype.IndexOf("xls") >= 0)
            {
                ztlist.Insert(0, new tmpinfo() { Id = 0, Name = "新建模板", Dbtype = dbtype, Filetype = "xls|xlsx", Path = "" });
            }
            dgw.DataSource = ztlist;
            dgw.Parent.Height = dgw.Rows.Count * dgw.RowTemplate.Height + dgw.ColumnHeadersHeight + 8;
            dgw.ClearSelection();

        }

 public void Grid(ref DataGridView grid, DataTable dt, bool codigoVisible, bool clearSelection, bool autoSizeColumnMode)
 {
     try
     {
         grid.AutoGenerateColumns = false;
         grid.MultiSelect = false;
         grid.ReadOnly = true;
         grid.Columns[1].Visible = codigoVisible;
         grid.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
         grid.DataSource = dt;
         if (autoSizeColumnMode)
         {
             int i;
             for (i = 0; i <= grid.ColumnCount - 1; i++)
             {
                 grid.Columns[i].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
             }
         }
         if (clearSelection)
         {
             grid.ClearSelection();
         }
     }
     catch
     {
     }
 }

 private void initialiseTable()
 {
     if (this.table != null) this.Controls.Remove(this.table);
     table = new DataGridView();
     table.Dock = DockStyle.Fill;
     table.Size = new Size(this.Size.Width, this.Size.Height);
     table.RowHeadersVisible = false;
     table.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
     table.MultiSelect = false;
     table.AllowUserToAddRows = false;
     table.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
     String stm = "SELECT name, code, credits FROM Modules WHERE year = @year";
     SQLiteDataAdapter adapt = new SQLiteDataAdapter(stm, DBSchema.connection());
     adapt.SelectCommand.Parameters.Add(new SQLiteParameter("@year", year));
     DataSet ds = new DataSet();
     adapt.Fill(ds, "Modules");
     table.DataSource = ds.Tables["Modules"];
     this.Controls.Add(table);
     stm = "SELECT * FROM Modules WHERE year = @year";
     SQLiteCommand command = new SQLiteCommand(stm, DBSchema.connection());
     command.Parameters.Add(new SQLiteParameter("@year", year));
     SQLiteDataReader dr = command.ExecuteReader();
     modules = new List<Module>();
     while (dr.Read())
     {
         modules.Add(new Module(dr));
     }
     table.ClearSelection();
     table.CellClick += new DataGridViewCellEventHandler(this.rowSelected);
 }

        public void searchFunction(DataGridView dg1,TextBox txt)
        {
            dg1.ClearSelection();
            try
            {

                dg1.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
                foreach (DataGridViewRow row in dg1.Rows)
                {

                    foreach (DataGridViewCell cell in row.Cells)
                    {
                        if (cell.Value.ToString().Equals(txt.Text.Trim().ToString()) && txt.Text != "")
                        {
                            row.Selected = true;
                        }

                    }
                }
            }
            catch (Exception exp)
            {
                Console.WriteLine(exp.ToString());
            }
        }

 public static void ResetSelect(DataGridView dgv)
 {
     if (dgv.Rows.Count > 0)
     {
         dgv.ClearSelection();
         dgv.Rows[0].Selected = true;
         dgv.CurrentCell = dgv.Rows[0].Cells[0];
     }
 }

        public static void customizationDataGridView(DataGridView dgv)
        {
            dgv.ClearSelection();
            dgv.AutoResizeRowHeadersWidth(DataGridViewRowHeadersWidthSizeMode.AutoSizeToDisplayedHeaders);

            for (var i = 0; i < dgv.ColumnCount; i++)
            {
                dgv.Columns[i].SortMode = DataGridViewColumnSortMode.NotSortable;
                dgv.Columns[i].FillWeight = 1;
            }
        }

        private DataGridView GetDataGrid()
        {
            var dgv = new DataGridView()
            {
                BackgroundColor = Color.White,
                Location = new Point(Location.X + 5, Location.Y),
                RowHeadersVisible = false,
                Anchor = AnchorStyles.Top,
                ScrollBars = ScrollBars.None,
                AllowUserToResizeColumns = false,
                AllowUserToAddRows = false,
                AllowUserToResizeRows = false,
                AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.AllCells,
                ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.DisableResizing

            };

            dgv.Columns.AddRange(new DataGridViewColumn[]
                {
                    new DataGridViewTextBoxColumn() { HeaderText = "Время", Name = "timeColumn", ReadOnly = true },
                    new DataGridViewTextBoxColumn() { HeaderText = "Тип", Name = "severityColumn", ReadOnly = true },
                    new DataGridViewTextBoxColumn() { HeaderText = "Сообщение", Name = "messageColumn", ReadOnly = true }
                });

            dgv.SelectionChanged += (s, e) => dgv.ClearSelection();

            for (int i = 0; i < dgv.Columns.Count; i++)
            {
                dgv.Columns[i].DefaultCellStyle.WrapMode = DataGridViewTriState.True;
                dgv.Columns[i].SortMode = DataGridViewColumnSortMode.NotSortable;
                dgv.Columns[i].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;

                if (i == dgv.Columns.Count - 1)
                {
                    dgv.Columns[i].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
                }
            }

            //dgv.Columns[0].DefaultCellStyle.Alignment = DataGridViewContentAlignment.BottomCenter;

            return dgv;
        }

 public static void InitDataGridView(DataGridView dgv)
 {
     //只读属性设置
     //dgv.ReadOnly = true;
     //尾行自动追加
     dgv.AllowUserToAddRows = false;
     dgv.AllowUserToDeleteRows = false;
     //行幅自动变化
     dgv.AllowUserToResizeRows = true;
     //高度设定
     dgv.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.DisableResizing;
     //标头设定
     dgv.RowHeadersVisible = true;
     //标题行高
     dgv.ColumnHeadersHeight = 25;
     dgv.RowTemplate.Height = 23;
     //行选择设定
     dgv.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
     //多行选择
     dgv.MultiSelect = false;
     //选择状态解除
     dgv.ClearSelection();
     //head文字居中
     dgv.ColumnHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
     //选择状态的行的颜色
     dgv.DefaultCellStyle.SelectionBackColor = Color.LightSteelBlue;
     dgv.DefaultCellStyle.SelectionForeColor = Color.Black;
     //设定交替行颜色
     dgv.AlternatingRowsDefaultCellStyle.BackColor = Color.White;
     dgv.RowsDefaultCellStyle.BackColor = Color.LightGray;
     //行副填充时自动调整宽度
     dgv.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.None;
     dgv.AutoGenerateColumns = false;
     //可否手动调整行大小
     dgv.AllowUserToResizeRows = false;
     dgv.AutoGenerateColumns = false;
     dgv.ScrollBars = ScrollBars.Both;
     dgv.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.None;
 }

 /// <summary>
 /// Selects a given row in a DataGridView. If the requested row does not
 /// exist, selects a suitable alternative.
 /// </summary>
 /// <param name="dataGridView">The DataGridView containing the row</param>
 /// <param name="row">The row to select</param>
 public static void DoRowSelection(DataGridView dataGridView, int row)
 {
     if (dataGridView.Rows.Count > 0)
     {
         dataGridView.ClearSelection();
         if (row > -1)
         {
             if (row < dataGridView.Rows.Count)
             {
                 dataGridView.Rows[row].Selected = true;
             }
             else
             {
                 dataGridView.Rows[dataGridView.Rows.Count - 1].Selected = true;
             }
         }
         else
         {
             dataGridView.Rows[0].Selected = true;
         }
     }
 }

        public Individual_Unit_Details_Panel()
        {
            InitializeComponent();

            this.HideOnClose = true;
            this.Text = "Individual Unit Details";
            this.TabText = "Individual Unit Details";
            this.ToolTipText = "Individual unit information";

            m_oArmorDisplayDataGrid = new DataGridView();
            m_oArmorDisplayDataGrid.Dock = DockStyle.Fill;
            m_oArmorDisplayDataGrid.AllowUserToAddRows = false;
            m_oArmorDisplayDataGrid.AllowUserToDeleteRows = false;
            m_oArmorDisplayDataGrid.AllowUserToOrderColumns = false;
            m_oArmorDisplayDataGrid.AllowUserToResizeColumns = false;
            m_oArmorDisplayDataGrid.AllowUserToResizeRows = false;
            m_oArmorDisplayDataGrid.Enabled = true;
            m_oArmorDisplayDataGrid.ReadOnly = true;
            m_oArmorDisplayDataGrid.ColumnHeadersVisible = false;
            m_oArmorDisplayDataGrid.RowHeadersVisible = false;
            m_oArmorDisplayDataGrid.ClearSelection();
            this.m_oArmorGroupBox.Controls.Add(m_oArmorDisplayDataGrid);
        }

        public static void updateTables(DataGridView registerTable, DataGridView memoryTable, Cpu cpu, Main comInterface)
        {
            registerTable.DataSource = null;
            registerTable.RowTemplate.Height = 16;
            registerTable.DataSource = TableFactory.getRegisterTable(cpu);

            dataGridHelper.showChanged(registerTable);

            memoryTable.DataSource = null;
            memoryTable.RowTemplate.Height = 16;
            memoryTable.DataSource = TableFactory.getMemoryTable(comInterface.Host);

            int curRow = (int) Math.Floor((double) (cpu.PC/0x10)), curCell = (cpu.PC%0x10) + 1;

            if (memoryTable.ColumnCount == 0x10 + 1)
            {
                memoryTable.CurrentCell = memoryTable.Rows[curRow].Cells[curCell];
                memoryTable.ClearSelection();
            }
            memoryTable.Rows[curRow].Cells[curCell].Style.BackColor = Color.Yellow;
            if (lastCell != null) lastCell.Style = lastRow.DefaultCellStyle;
            lastRow = memoryTable.Rows[curRow];
            lastCell = lastRow.Cells[curCell];
        }

 // =================================================================================
 // Scrolling & arranging datagridviews...
 // =================================================================================
 private void DataGrid_Up_button(DataGridView Grid)
 {
     int row = Grid.CurrentCell.RowIndex;
     int col = Grid.CurrentCell.ColumnIndex;
     if (row == 0)
     {
         return;
     }
     if (Grid.SelectedCells.Count != 1)
     {
         return;
     }
     DataGridViewRow temp = Grid.Rows[row];
     Grid.Rows.Remove(Grid.Rows[row]);
     Grid.Rows.Insert(row - 1, temp);
     Grid.ClearSelection();
     Grid.CurrentCell = Grid[col, row - 1];
     HandleGridScrolling(true, Grid);
 }

 private static void SetSelectedItemDataGridView(IBindingMemberInfo bindingMemberInfo, DataGridView dataGridView, object item)
 {
     dataGridView.ClearSelection();
     if (item == null)
         return;
     for (int i = 0; i < dataGridView.Rows.Count; i++)
     {
         if (Equals(dataGridView.Rows[i].DataBoundItem, item))
         {
             var row = dataGridView.Rows[i];
             row.Selected = true;
             if (row.Cells.Count > 0)
                 row.Cells[0].Selected = true;
             break;
         }
     }
 }

        private void FormAsignarHab_Load(object sender, EventArgs e)
        {
            int altoFilaExtraMedioPagos;
            tabla1 = TablaTurnos.nuevaTabla();
            tabla2 = TablaTurnos.nuevaTabla();

            tabla1.DefaultCellStyle.BackColor = Color.White;
            tabla2.DefaultCellStyle.BackColor = Color.White;
            tabla2.Columns[8].Visible = tabla1.Columns[8].Visible = true;

            this.tableLayoutPanel3.Controls.Add(tabla1, 0, 0);

            int altoFila;
            int altoFilaExtra;
            tools.calcularAlturas(tabla1.Height - tabla1.ColumnHeadersHeight, fPrincipal2.maxFilas, out altoFila, out altoFilaExtra);
            tabla1.RowTemplate.Height = altoFila;
            tabla2.RowTemplate.Height = altoFila;
            tabla1.ColumnHeadersHeight = tabla1.ColumnHeadersHeight + altoFilaExtra;
            tabla2.ColumnHeadersHeight = tabla1.ColumnHeadersHeight;
            float tamFuente = 10f + (3.6f - (0.1f * cantHab));
            tabla1.DefaultCellStyle.Font = new System.Drawing.Font("Microsoft Sans Serif", tamFuente, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            tabla2.DefaultCellStyle.Font = tabla1.DefaultCellStyle.Font;
            this.tableLayoutPanel3.Controls.Add(tabla2, 1, 0);

            tools.actualizarListadoTurnos(tabla1, tabla2);
            tabla1.Columns.RemoveAt(7);
            tabla1.Columns.RemoveAt(6);
            tabla2.Columns.RemoveAt(7);
            tabla2.Columns.RemoveAt(6);

            tools.calcularAlturas(dgvOpciones.Height - dgvOpciones.ColumnHeadersHeight, opcionesCambEst.opcionesCambioEstado.Count > tools.minCantFilas ? opcionesCambEst.opcionesCambioEstado.Count : tools.minCantFilas, out altoFila, out altoFilaExtraMedioPagos);
            dgvOpciones.RowTemplate.Height = altoFila;
            this.opcionesCambioEstadoTableAdapter.Fill(this.opcionesCambEst.opcionesCambioEstado);
            dgvOpciones.DataSource = null;
            foreach (DataRow dr in opcionesCambEst.opcionesCambioEstado)
            {
                dOpciones.Add(int.Parse(dr[0].ToString()), dr[1].ToString());
                dgvOpciones.Rows.Add(dr[0].ToString(), dr[1].ToString());
            }

            // ----  Completando la tabla mediosPagos  ----//
            tools.completarDG(dgvOpciones, altoFilaExtraMedioPagos);
            dgvOpciones.ClearSelection();
            tabla1.ClearSelection();
            tabla2.ClearSelection();
        }

//.........这里部分代码省略.........
                }
                else if (reader["estado"].ToString() == "A") // Asignada
                {
                    tabla1.Rows[ultFila].Cells["estado"].Value = "A";

                    tabla1.Rows[ultFila].DefaultCellStyle.Font = new Font(tabla1.DefaultCellStyle.Font, FontStyle.Bold);
                    //Si hay alarmas
                    if (reader["aviso"].ToString() != "")
                        tabla1.Rows[ultFila].Cells["alarma"].Value = ((System.Drawing.Image)Resources.relojdespertador);
                    tabla1.Rows[ultFila].Cells["nroHab"].Style.BackColor = Color.Green;
                }
                else if (reader["estado"].ToString() == "O") // Ocupada
                {
                    tabla1.Rows[ultFila].Cells["estado"].Value = "O";
                    tabla1.Rows[ultFila].Cells["luz"].Value = ((System.Drawing.Image)Resources.luzOn);

                    tabla1.Rows[ultFila].DefaultCellStyle.Font = new Font(tabla1.DefaultCellStyle.Font, FontStyle.Bold);
                    tabla1.Rows[ultFila].Cells["nroHab"].Style.BackColor = Color.Tomato;
                    if (reader["aviso"].ToString() != "")
                        tabla1.Rows[ultFila].Cells["alarma"].Value = ((System.Drawing.Image)Resources.relojdespertador);
                }
                else if (reader["estado"].ToString() == "M") // Mucama
                {
                    tabla1.Rows[ultFila].Cells["estado"].Value = "M"; // Mucama
                    tabla1.Rows[ultFila].Cells["luz"].Value = ((System.Drawing.Image)Resources.luzOn);
                    tabla1.Rows[ultFila].Cells["nroHab"].Style.BackColor = Color.Yellow;
                }
                else // Otro...
                {
                    //tabla1.Rows[ultFila].DefaultCellStyle.BackColor = Color.Gainsboro;
                    tabla1.Rows[ultFila].Cells["estado"].Value = "X"; // deshabilitado
                    tabla1.Rows[ultFila].Cells["luz"].Value = ((System.Drawing.Image)Resources.vacio);
                    tabla1.Rows[ultFila].Cells["nroHab"].Style.BackColor = Color.Gainsboro;
                }
            }
            if (cantHab > maxFilas)
            {
                ultFila = 0;
                tabla2 = TablaTurnos.nuevaTabla();
                tabla2.DefaultCellStyle.BackColor = Color.White;
                tabla2.Columns[8].Visible = true;
                tabla2.Columns.RemoveAt(7);
                tabla2.Columns.RemoveAt(6);
                tabla2.DefaultCellStyle.Font = tabla1.DefaultCellStyle.Font;
                tabla2.ColumnHeadersHeight = tabla1.ColumnHeadersHeight;
                tabla2.RowTemplate.Height = tabla1.RowTemplate.Height;
                this.tableLayoutPanel3.Controls.Add(tabla2, 1, 0);

                while (reader.Read() && ultFila < 24)
                {
                    DataGridViewRow row = new DataGridViewRow();
                    tabla2.Rows.Add(reader["nroHabitacion"], reader["categoria"]);
                    ultFila = tabla2.Rows.GetLastRow(DataGridViewElementStates.None);

                    if (reader["estado"].ToString() == "D")
                    {
                        tabla2.Rows[ultFila].Cells["estado"].Value = "D";

                        tabla2.Rows[ultFila].Cells["bar"].Value = ((System.Drawing.Image)Resources.vacio);
                        tabla2.Rows[ultFila].Cells["nroHab"].Style.BackColor = Color.Green;
                    }
                    else if (reader["estado"].ToString() == "A")
                    {
                        tabla2.Rows[ultFila].Cells["estado"].Value = "A";

                        tabla2.Rows[ultFila].DefaultCellStyle.Font = new Font(tabla1.DefaultCellStyle.Font, FontStyle.Bold);
                        //Si hay alarmas
                        if (reader["aviso"].ToString() != "")
                            tabla2.Rows[ultFila].Cells["alarma"].Value = ((System.Drawing.Image)Resources.relojdespertador);
                        tabla2.Rows[ultFila].Cells["nroHab"].Style.BackColor = Color.Green;
                    }
                    else if (reader["estado"].ToString() == "O") // Ocupada
                    {
                        tabla2.Rows[ultFila].Cells["estado"].Value = "O";
                        tabla2.Rows[ultFila].Cells["luz"].Value = ((System.Drawing.Image)Resources.luzOn);

                        tabla2.Rows[ultFila].DefaultCellStyle.Font = new Font(tabla2.ColumnHeadersDefaultCellStyle.Font, FontStyle.Bold);
                        tabla2.Rows[ultFila].Cells["nroHab"].Style.BackColor = Color.Tomato;
                        if (reader["aviso"].ToString() != "")
                            tabla2.Rows[ultFila].Cells["alarma"].Value = ((System.Drawing.Image)Resources.relojdespertador);
                    }
                    else if (reader["estado"].ToString() == "M") // Mucama
                    {
                        tabla2.Rows[ultFila].Cells["estado"].Value = "M"; // Mucama
                        tabla2.Rows[ultFila].Cells["luz"].Value = ((System.Drawing.Image)Resources.luzOn);
                        tabla2.Rows[ultFila].Cells["nroHab"].Style.BackColor = Color.Yellow;
                    }
                    else // Otro...
                    {
                        //tabla2.Rows[ultFila].DefaultCellStyle.BackColor = Color.Gainsboro;
                        tabla2.Rows[ultFila].Cells["estado"].Value = "X"; // deshabilitado
                        tabla2.Rows[ultFila].Cells["luz"].Value = ((System.Drawing.Image)Resources.vacio);
                        tabla2.Rows[ultFila].Cells["nroHab"].Style.BackColor = Color.Gainsboro;
                    }
                }
                tabla2.ClearSelection();
            }
            tabla1.ClearSelection();
            reader.Close();
        }