我在将图像放入 DataTable 并将该表设置为 gridview 的数据源时遇到问题,我到处搜索,但没有运气。这是问题所在:
private void populateGrid()
{
// Gets a datatable from a stored procedure
DataTable ragTable = ProjetoBO.HistoricoRAGStatusProjeto(Convert.ToInt32(Session["idProjeto"]));
int group= -1;
int cont = 1;
var table = GetDataTable(ragTable);
DataRow dataRow = table.NewRow();
foreach (DataRow row in ragTable.Rows)
{
cont++;
if (Convert.ToInt32(row[9]) != group)
{
cont = 1;
group= Convert.ToInt32(row[9]);
table.Rows.Add(dataRow);
dataRow = tabelaFinal.NewRow();
}
dataRow[0] = DateTime.Parse(row[2].ToString()).ToShortDateString();
//putting some random image just for testing purpose
dataRow[cont] = Properties.Resources.myIcon;
}
//my grid
histRagStatus.DataSource = table ;
histRagStatus.DataBind();
}
//Creates a dataTable with the columns I need
private DataTable GetDataTable(DataTable ragTable)
{
var newTable= new DataTable();
newTable.Columns.Add("Date");
foreach (DataRow row in ragTable.Rows)
{
if (!newTable.Columns.Cast<DataColumn>().Any(column => column.ColumnName.Equals(row[6].ToString())))
{
var newColumn= new DataColumn(row[6].ToString());
newTable.Columns.Add(newColumn);
}
}
return newTable;
}
我一直在尽我所能,创建一个新列,如 var newColumn= new DataColumn(row[6].ToString(),typeof(Bitmap)); / 转换为图像并放在那里 / 在添加到 DataTable 之前更改列的数据类型...但是没有运气...我只需要正确的方法从 Properties.Resources 获取图像并将其放在 DataTable 上,这将绑定到网格,图像将出现在网格视图上......
现在任何帮助对我来说都是宝贵的=D