Hi Marcus,
Thanks for using Syncfusion products.
We have analyzed your query and you can achieve this by handling QueryCellInfo event in code behind and check the cell value and to set the tooltip as follows.
C# code snippet:
void Model_QueryCellInfo(object sender, Syncfusion.Windows.Controls.Grid.GridQueryCellInfoEventArgs e)
{
if (e != null)
{
if (e.Style.CellValue != "")
{
e.Style.ShowTooltip = true;
e.Style.TooltipTemplateKey = "noteTooltip";
}
}
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We have created simple sample for this and you can download the sample from following location.
Sample Link: Tooltip.zip
Regards,
Ravi Shankar B.