本文整理汇总了C#中System.Windows.Forms.DataGridViewCellToolTipTextNeededEventHandler代理的典型用法代码示例。如果您正苦于以下问题:C# DataGridViewCellToolTipTextNeededEventHandler代理的具体用法?C# DataGridViewCellToolTipTextNeededEventHandler怎么用?C# DataGridViewCellToolTipTextNeededEventHandler使用的例子?那么恭喜您, 这里精选的代理代码示例或许可以为您提供帮助。
DataGridViewCellToolTipTextNeededEventHandler代理属于System.Windows.Forms命名空间,在下文中一共展示了DataGridViewCellToolTipTextNeededEventHandler代理的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Populate
private DataTable Populate(string query, bool resetUnsharedCounter)
{
if (resetUnsharedCounter)
{
ResetCounter();
}
// Alter the data source as necessary
SqlDataAdapter adapter = new SqlDataAdapter(query,
new SqlConnection("Integrated Security=SSPI;Persist Security Info=False;" +
"Initial Catalog=Northwind;Data Source=localhost"));
DataTable table = new DataTable();
table.Locale = System.Globalization.CultureInfo.InvariantCulture;
adapter.Fill(table);
return table;
}
private Label count = new Label();
private int unsharedRowCounter;
private void ResetCounter()
{
unsharedRowCounter = 0;
count.Text = unsharedRowCounter.ToString();
}
private void dataGridView1_CellToolTipTextNeeded(object sender,
DataGridViewCellToolTipTextNeededEventArgs e)
{
if (theCellImHoveringOver.ColumnIndex == dataGridView1.Columns["ReportsTo"].Index &&
theCellImHoveringOver.RowIndex > -1)
{
string reportsTo = dataGridView1.Rows[theCellImHoveringOver.RowIndex].
Cells[theCellImHoveringOver.ColumnIndex].Value.ToString();
if (String.IsNullOrEmpty(reportsTo))
{
e.ToolTipText = "The buck stops here!";
}
else
{
DataTable table = Populate(
"select firstname, lastname from employees where employeeid = '" +
dataGridView1.Rows[theCellImHoveringOver.RowIndex].
Cells[theCellImHoveringOver.ColumnIndex].Value.ToString() +
"'", false);
e.ToolTipText = "Reports to " + table.Rows[0].ItemArray[0] + " " +
table.Rows[0].ItemArray[1];
}
}
}