本文整理匯總了C#中System.Windows.Forms.DataGridView.RowValidating事件的典型用法代碼示例。如果您正苦於以下問題：C# DataGridView.RowValidating事件的具體用法？C# DataGridView.RowValidating怎麽用？C# DataGridView.RowValidating使用的例子？那麽, 這裏精選的事件代碼示例或許可以為您提供幫助。您也可以進一步了解該事件所在類System.Windows.Forms.DataGridView的用法示例。
在下文中一共展示了DataGridView.RowValidating事件的1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: ValidateByRow
private void ValidateByRow(Object sender,
DataGridViewCellCancelEventArgs data)
{
DataGridViewRow row =
songsDataGridView.Rows[data.RowIndex];
DataGridViewCell trackCell =
row.Cells[songsDataGridView.Columns["Track"].Index];
DataGridViewCell dateCell =
row.Cells[songsDataGridView.Columns["Release Date"].Index];
data.Cancel = !(IsTrackGood(trackCell) && IsDateGood(dateCell));
}
private Boolean IsTrackGood(DataGridViewCell cell)
{
Int32 cellValueAsInt;
if (cell.Value.ToString().Length == 0)
{
cell.ErrorText = "Please enter a track";
songsDataGridView.Rows[cell.RowIndex].ErrorText =
"Please enter a track";
return false;
}
else if (cell.Value.ToString().Equals("0"))
{
cell.ErrorText = "Zero is not a valid track";
songsDataGridView.Rows[cell.RowIndex].ErrorText =
"Zero is not a valid track";
return false;
}
else if (!Int32.TryParse(cell.Value.ToString(), out cellValueAsInt))
{
cell.ErrorText = "A Track must be a number";
songsDataGridView.Rows[cell.RowIndex].ErrorText =
"A Track must be a number";
return false;
}
return true;
}
private Boolean IsDateGood(DataGridViewCell cell)
{
if (cell.Value == null)
{
cell.ErrorText = "Missing date";
songsDataGridView.Rows[cell.RowIndex].ErrorText =
"Missing date";
return false;
}
else
{
try
{
DateTime.Parse(cell.Value.ToString());
}
catch (FormatException)
{
cell.ErrorText = "Invalid format";
songsDataGridView.Rows[cell.RowIndex].ErrorText =
"Invalid format";
return false;
}
}
return true;
}