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DataGridViewCellToolTipTextNeededEventArgs.ToolTipText Property

Gets or sets the ToolTip text.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)

public string ToolTipText { get; set; }
/** @property */
public String get_ToolTipText ()

/** @property */
public void set_ToolTipText (String value)

public function get ToolTipText () : String

public function set ToolTipText (value : String)

Not applicable.

Property Value

The current ToolTip text.

This property initially contains the value of the DataGridViewCell.ToolTipText property if it has been set for a cell.

The following code example sets the ToolTipText property depending on which cell the cursor is over. In this example, the ToolTipText is filled with information from hidden columns in the DataGridView.

void dataGridView1_CellToolTipTextNeeded(object sender,
    DataGridViewCellToolTipTextNeededEventArgs e)
{
    string newLine = Environment.NewLine;
    if (e.RowIndex > -1)
    {
        DataGridViewRow dataGridViewRow1 = dataGridView1.Rows[e.RowIndex];

        // Add the employee's ID to the ToolTipText.
        e.ToolTipText = String.Format("EmployeeID {0}:{1}",
            dataGridViewRow1.Cells["EmployeeID"].Value, newLine);

        // Add the employee's name to the ToolTipText.
        e.ToolTipText += String.Format("{0} {1} {2}{3}",
            dataGridViewRow1.Cells["TitleOfCourtesy"].Value.ToString(),
            dataGridViewRow1.Cells["FirstName"].Value.ToString(),
            dataGridViewRow1.Cells["LastName"].Value.ToString(),
            newLine);

        // Add the employee's title to the ToolTipText.
        e.ToolTipText += String.Format("{0}{1}{2}",
            dataGridViewRow1.Cells["Title"].Value.ToString(),
            newLine, newLine);

        // Add the employee's contact information to the ToolTipText.
        e.ToolTipText += String.Format("{0}{1}{2}, ",
            dataGridViewRow1.Cells["Address"].Value.ToString(), newLine,
            dataGridViewRow1.Cells["City"].Value.ToString());
        if (!String.IsNullOrEmpty(
            dataGridViewRow1.Cells["Region"].Value.ToString()))
        {
            e.ToolTipText += String.Format("{0}, ",
                dataGridViewRow1.Cells["Region"].Value.ToString());
        }
        e.ToolTipText += String.Format("{0}, {1}{2}{3} EXT:{4}{5}{6}",
            dataGridViewRow1.Cells["Country"].Value.ToString(),
            dataGridViewRow1.Cells["PostalCode"].Value.ToString(),
            newLine, dataGridViewRow1.Cells["HomePhone"].Value.ToString(),
            dataGridViewRow1.Cells["Extension"].Value.ToString(),
            newLine, newLine);

        // Add employee information to the ToolTipText.
        DateTime HireDate =
            (DateTime)dataGridViewRow1.Cells["HireDate"].Value;
        e.ToolTipText +=
            String.Format("Employee since: {0}/{1}/{2}{3}Manager: {4}",
            HireDate.Month.ToString(), HireDate.Day.ToString(),
            HireDate.Year.ToString(), newLine,
            dataGridViewRow1.Cells["Manager"].Value.ToString());
    }
}

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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