void SetRowErrorText(GridViewRowInfo row)
{
if (row != null)
{
bool validationFailed = false;
StringBuilder validationMessage = new StringBuilder();
foreach (RadListDataItem item in radComboBox1.Items)
{
ColumnValidationInfo validationInfo = (ColumnValidationInfo)item.Value;
object value = row.Cells[validationInfo.Column.HeaderText].Value;
if (Convert.IsDBNull(value))
{
value = null;
}
if (!validationInfo.Validate(Convert.ToDecimal(value)))
{
validationFailed = true;
validationMessage.Append(validationInfo.Column.HeaderText + " "
+ validationInfo.GetMessage(Convert.ToDecimal(value)) + "\n");
}
if (radGridView1.IsInEditMode &&
radGridView1.CurrentRow == row &&
radGridView1.CurrentColumn == validationInfo.Column)
{
object editorValue = radGridView1.ActiveEditor.Value;
if (Convert.IsDBNull(editorValue))
{
editorValue = value;
}
if (!validationInfo.Validate(Convert.ToDecimal(editorValue)))
{
validationFailed = true;
validationMessage.Append(validationInfo.Column.HeaderText + " " +
validationInfo.GetMessage(Convert.ToDecimal(editorValue)) + "\n");
}
}
}
row.ErrorText = validationFailed ? validationMessage.ToString() : string.Empty;
}
}
private void radGridView1_CellValidating(object sender, CellValidatingEventArgs e)
{
if (radGridView1.IsInEditMode)
{
ColumnValidationInfo validationInfo = GetColumnValidationInfo(e.Column);
if (validationInfo != null && !validationInfo.Validate(Convert.ToDecimal(e.Value)))
{
e.Cancel = true;
e.Row.ErrorText = "Validation Error!";
}
}
}
private void radGridView1_CellFormatting(object sender, CellFormattingEventArgs e)
{
if (e.CellElement.RowElement is GridDataRowElement)
{
ColumnValidationInfo validationInfo = GetColumnValidationInfo(e.CellElement.ColumnInfo);
if (validationInfo != null)
{
object value = ((GridDataCellElement)e.CellElement).Value;
if (Convert.IsDBNull(value))
{
value = null;
}
if (!validationInfo.Validate(Convert.ToDecimal(value)))
{
e.CellElement.DrawFill = true;
e.CellElement.GradientStyle = GradientStyles.Linear;
e.CellElement.GradientPercentage = 0.45f;
e.CellElement.GradientPercentage2 = 0.53f;
e.CellElement.NumberOfColors = 4;
e.CellElement.BackColor = Color.FromArgb(253, 141, 142);
e.CellElement.BackColor2 = Color.FromArgb(254, 86, 86);
e.CellElement.BackColor3 = Color.FromArgb(254, 55, 55);
e.CellElement.BackColor4 = Color.FromArgb(254, 31, 32);
e.CellElement.BorderGradientStyle = GradientStyles.Solid;
e.CellElement.BorderColor = Color.FromArgb(254, 31, 32);
e.CellElement.ZIndex = 100;
}
else if (e.CellElement.BackColor == Color.FromArgb(253, 141, 142))
{
e.CellElement.ResetValue(RadItem.BackColorProperty);
e.CellElement.ResetValue(LightVisualElement.DrawFillProperty);
e.CellElement.ResetValue(LightVisualElement.GradientStyleProperty);
e.CellElement.ResetValue(LightVisualElement.GradientPercentageProperty);
e.CellElement.ResetValue(LightVisualElement.GradientPercentage2Property);
e.CellElement.ResetValue(LightVisualElement.NumberOfColorsProperty);
e.CellElement.ResetValue(LightVisualElement.BackColor2Property);
e.CellElement.ResetValue(LightVisualElement.BackColor3Property);
e.CellElement.ResetValue(LightVisualElement.BackColor4Property);
e.CellElement.ResetValue(LightVisualElement.BorderGradientStyleProperty);
e.CellElement.ResetValue(LightVisualElement.BorderColorProperty);
e.CellElement.ResetValue(RadElement.ZIndexProperty);
}
}
}
}