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C# DataGridViewCellToolTipTextNeededEventHandler代理代码示例

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];
        }
    }
}
开发者ID:.NET开发者,项目名称:System.Windows.Forms,代码行数:55,代码来源:DataGridViewCellToolTipTextNeededEventHandler


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