/// <summary>
/// Display a graphic image for the Sort Order along with the sort sequence no.
/// </summary>
protected void DisplaySortOrderImages(string dataSortExpr, GridViewRow viewRow)
{
for (int i = 0; i < viewRow.Cells.Count; i++)
{
if (Columns[i].SortExpression == SortExpression &&
viewRow.Cells[i].Controls.Count > 0 &&
viewRow.Cells[i].Controls[0] is LinkButton)
{
var sortImgLoc = (SortDirection == SortDirection.Ascending ? SortAscImageUrl : SortDescImageUrl);
if (!string.IsNullOrEmpty(sortImgLoc))
{
var imgSortDirection = new ImageEx
{
AutoDetectSize = true,
ImageUrl = sortImgLoc
};
viewRow.Cells[i].Controls.Add(imgSortDirection);
}
else
{
Label lblSortDirection = new Label();
lblSortDirection.Font.Size = FontUnit.XSmall;
lblSortDirection.Font.Name = "webdings";
lblSortDirection.EnableTheming = false;
lblSortDirection.Text = (SortDirection == SortDirection.Ascending ? "5" : "6");
viewRow.Cells[i].Controls.Add(lblSortDirection);
}
break;
}
}
}
/// <summary>
/// Called by the ASP.NET page framework to notify server controls that use composition-based implementation to create any child controls they contain in preparation for posting back or rendering.
/// </summary>
protected override void CreateChildControls()
{
base.CreateChildControls();
if (Mode != ButtonType.Link)
{
return;
}
string imageUrl = ImageUrl;
if (!string.IsNullOrEmpty(imageUrl))
{
var image = new ImageEx
{
ImageUrl = imageUrl,
AlternateText = ToolTip,
ImageAlign = ImageAlign,
AutoDetectSize = true
};
Controls.Add(image);
}
//string text = Text;
//if (!string.IsNullOrEmpty(text))
//{
// Literal literal = new Literal();
// if (hasImage)
// literal.Text = " " + text;
// else
// literal.Text = text;
// Controls.Add(literal);
//}
}
