本文整理匯總了C#中System.Windows.Forms.DataGridView.UpdateCellValue方法的典型用法代碼示例。如果您正苦於以下問題：C# DataGridView.UpdateCellValue方法的具體用法？C# DataGridView.UpdateCellValue怎麽用？C# DataGridView.UpdateCellValue使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Windows.Forms.DataGridView的用法示例。
在下文中一共展示了DataGridView.UpdateCellValue方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: ProcessDGVEditShortcutKeys
public bool ProcessDGVEditShortcutKeys(DataGridView dgv, KeyEventArgs e, string cno, LookupTables lookupTables, AppSettings appSettings)
{
bool keyProcessed = false;
// Change cursor to the wait cursor...
Cursor origCursor = Cursor.Current;
Cursor.Current = Cursors.WaitCursor;
if (e.KeyCode == Keys.D && e.Control)
{
Dictionary<int, int> selectedColumnMinRow = new Dictionary<int, int>();
// Processing keystroke...
keyProcessed = true;
foreach (DataGridViewCell cell in dgv.SelectedCells)
{
// If the min selected row has not been found for this column - find it now...
if (!selectedColumnMinRow.ContainsKey(cell.ColumnIndex))
{
int minRow = dgv.Rows.Count; ;
// Find the minimum row index in this column's selected cells...
minRow = cell.RowIndex;
for (int i = minRow; i > -1; i--)
{
if (dgv.SelectedCells.Contains(dgv[cell.ColumnIndex, i])) minRow = i;
}
// If the user is trying to perform a copy down (CTRL+D) using the row for adding a new row as the source row - bail out now...
if (dgv.Rows[minRow].IsNewRow) return false;
//Save the min row for this column in the dictionary
selectedColumnMinRow.Add(cell.ColumnIndex, minRow);
}
//
object newValue = ((DataRowView)dgv.Rows[selectedColumnMinRow[cell.ColumnIndex]].DataBoundItem)[cell.ColumnIndex];
DataRowView dr = (DataRowView)cell.OwningRow.DataBoundItem;
if (dr == null) //if (dgv.Rows[row].IsNewRow)
{
// Couldn't find a bound row so this must be the 'new row' row in the datagrid...
dgv[cell.ColumnIndex, cell.RowIndex].Value = newValue;
dgv.UpdateCellValue(cell.ColumnIndex, cell.RowIndex);
}
else
{
if (!dr[cell.ColumnIndex].Equals(newValue))
{
// Edit the DataRow (not the DataRowView) so that row state is changed...
dr.Row[cell.ColumnIndex] = newValue;
}
}
}
}
if (e.KeyCode == Keys.E && e.Control)
{
// Processing keystroke...
keyProcessed = true;
DataRow dr = ((DataRowView)dgv.CurrentCell.OwningRow.DataBoundItem).Row;
string columnName = dgv.CurrentCell.OwningColumn.Name;
if (dr.Table.Columns[columnName].ExtendedProperties.ContainsKey("gui_hint") &&
dr.Table.Columns[columnName].ExtendedProperties["gui_hint"].ToString().ToUpper() == "TEXT_CONTROL")
{
string currentCellValue = dr[columnName].ToString();
RichTextEditor rte = new RichTextEditor(currentCellValue, false);
if (rte.ShowDialog() == DialogResult.OK)
{
dr[columnName] = rte.RichTextMessage;
}
}
}
if (e.KeyCode == Keys.N && e.Control)
{
if (dgv.CurrentRow != null &&
dgv.CurrentRow.Selected &&
!dgv.CurrentRow.IsNewRow)
{
DataTable dt = (DataTable)((BindingSource)dgv.DataSource).DataSource;
DataRow sourceRow = null;
DataRow destRow = null;
// Processing keystroke...
keyProcessed = true;
if (dt != null)
{
sourceRow = dt.DefaultView[dgv.CurrentRow.Index].Row;
destRow = dt.NewRow();
}
if (sourceRow != null)
{
foreach (DataColumn dc in dt.Columns)
{
if (!dt.PrimaryKey.Contains(dc) &&
!dc.ReadOnly)
{
switch (dc.ColumnName)
{
//.........這裏部分代碼省略.........
示例2: UpdateGridRowCells
/// <summary>
/// void UpdateGridRowCells(DataGridView _grid)
/// Update the columns for the passed grid
/// </summary>
/// <param name="_grid"></param>
public static void UpdateGridRowCells(DataGridView _grid)
{
try
{
_grid.EndEdit();
for (int n = 0; n < _grid.RowCount; n++)
{
for (int m = 0; m < _grid.Columns.Count; m++)
{
_grid.UpdateCellValue(m, n);
}
}
}
catch (Exception ex)
{
CommonRoutines.Log("$E:" + moduleName + ".UpdateGridRowCells > " + ex.Message);
}
return;
}