private static void DoDataBind(DataGridView target, DataTable bindData, GenericRenderStruct info)
{
try
{
//check if the DataGridView needs to be invoked first
if (target.InvokeRequired)
{
//invoke the DataGridView so we don't thread-lock
target.BeginInvoke((MethodInvoker) delegate { DoDataBind(target, bindData, info); });
}
else
{
//we don't need to invoke, so just continue without it.
//bind the data to the grid ("render" the data)
target.DataSource = bindData;
//set the captions
Methods.SetHeaderText(target, info.Data);
//re-render the control
target.Refresh();
}
}
catch (Exception ex)
{
//log and do nothing
LoggingHelpers.RecordException(ex.Message, @"GenericViewRendererBindError");
}
}
/// <summary>
/// Renders data into a DataGridView based on the specified RenderStruct
/// </summary>
/// <param name="info"></param>
/// <param name="target"></param>
/// <returns></returns>
public static DataTable RenderView(GenericRenderStruct info, DataGridView target)
{
try
{
//check if the data we need was set (problems will arise otherwise)
if (info != null && target != null)
{
//check if the two data pairs are equal length (we don't want indexing errors)
if (info.WantedColumns.Count == info.WantedCaption.Count)
{
//ensure the count is valid
if (info.WantedColumns.Count > 0)
{
//store the columns we want vs. the columns available (so we don't error out)
var currentColumns = new List <string>();
var wantedColumns = info.WantedColumns;
var wantedCaption = info.WantedCaption;
//data storage
var viewBind = new DataView(info.Data);
//check if appropriate columns are part of the table; then we can verify and add them to the view.
foreach (DataColumn c in info.Data.Columns)
{
//check if the column name exists in our wanted columns
if (wantedColumns.Contains(c.ColumnName))
{
//it does, so grab its index, grab its associated caption, then add both to the available columns (Current Columns)
var index = wantedColumns.IndexOf(c.ColumnName);
var caption = wantedCaption[index];
currentColumns.Add(c.ColumnName);
//set the column's caption to the one we just got from the index
c.Caption = caption;
}
}
//match the order of the current columns with the wanted columns (because things get added in a different way)
currentColumns = Methods.OrderMatch(wantedColumns, currentColumns);
//create a new binding DataView based on the columns we want and have available
var dgvBind = viewBind.ToTable(false, currentColumns.ToArray());
//do the bind
DoDataBind(target, dgvBind, info);
//return the processed data (data with the wanted columns) in a DataTable
return(dgvBind);
}
else
{
//do the bind with the default data (unfiltered)
DoDataBind(target, info.Data, info);
}
}
}
//null check to control the output
return(info != null
? info.Data
: new DataTable());
}
catch (Exception ex)
{
//log and do nothing
LoggingHelpers.RecordException(ex.Message, @"GenericViewRendererProcessingError");
}
//default result
return(new DataTable());
}
