Donc voici le code « brute de fonderie » comme on dit
- principe :
Vous faites un copier coller du code (oui il comporte plusieurs fonction et il est un peu long ^^ )
Vous remplacez ce qui est en rouge dans votre code
2 éléments à remplacer :
- le nom de votre datagridview
- le chemin avec le nom compris du fichier html ou vous allez exporter votre datagrideview
public void generationTableauHtml()
{
ConvertDataGridViewToHTMLWithFormatting(MyDatagridView);
string text;
StreamWriter sw = new StreamWriter(@"C:\Tableau.html");//création du fichier
text = ConvertDataGridViewToHTMLWithFormatting(MyDatagridView);
sw.WriteLine("{0}", text);//enregistrement du message dans le fichier
sw.Close();
}
#region TransferDatagriedViewToHTML
public string ConvertDataGridViewToHTMLWithFormatting(DataGridView dgv)
{
StringBuilder sb = new StringBuilder();
//create html & table
sb.AppendLine("<html><body><center><p> Titre que je souhaite mettre</p><table border='1' cellpadding='0' cellspacing='0'>");
sb.AppendLine("<tr>");
//create table header
for (int i = 0; i < dgv.Columns.Count; i++)
{
sb.Append(DGVHeaderCellToHTMLWithFormatting(dgv, i));
sb.Append(DGVCellFontAndValueToHTML(dgv.Columns[i].HeaderText, dgv.Columns[i].HeaderCell.Style.Font));
sb.AppendLine("</td>");
}
sb.AppendLine("</tr>");
//create table body
for (int rowIndex = 0; rowIndex < dgv.Rows.Count; rowIndex++)
{
sb.AppendLine("<tr>");
foreach (DataGridViewCell dgvc in dgv.Rows[rowIndex].Cells)
{
sb.AppendLine(DGVCellToHTMLWithFormatting(dgv, rowIndex, dgvc.ColumnIndex));
string cellValue = dgvc.Value == null ? string.Empty : dgvc.Value.ToString();
sb.AppendLine(DGVCellFontAndValueToHTML(cellValue, dgvc.Style.Font));
sb.AppendLine("</td>");
}
sb.AppendLine("</tr>");
}
//table footer & end of html file
sb.AppendLine("</table></center></body></html>");
return sb.ToString();
}
public string DGVHeaderCellToHTMLWithFormatting(DataGridView dgv, int col)
{
StringBuilder sb = new StringBuilder();
sb.Append("<td");
sb.Append(DGVCellColorToHTML(dgv.Columns[col].HeaderCell.Style.ForeColor, dgv.Columns[col].HeaderCell.Style.BackColor));
sb.Append(DGVCellAlignmentToHTML(dgv.Columns[col].HeaderCell.Style.Alignment));
sb.Append(">");
return sb.ToString();
}
public string DGVCellToHTMLWithFormatting(DataGridView dgv, int row, int col)
{
StringBuilder sb = new StringBuilder();
sb.Append("<td");
sb.Append(DGVCellColorToHTML(dgv.Rows[row].Cells[col].Style.ForeColor, dgv.Rows[row].Cells[col].Style.BackColor));
sb.Append(DGVCellAlignmentToHTML(dgv.Rows[row].Cells[col].Style.Alignment));
sb.Append(">");
return sb.ToString();
}
public string DGVCellColorToHTML(Color foreColor, Color backColor)
{
if (foreColor.Name == "0" && backColor.Name == "0") return string.Empty;
StringBuilder sb = new StringBuilder();
sb.Append(" style=\"");
if (foreColor.Name != "0" && backColor.Name != "0")
{
sb.Append("color:#");
sb.Append(foreColor.R.ToString("X2") + foreColor.G.ToString("X2") + foreColor.B.ToString("X2"));
sb.Append("; background-color:#");
sb.Append(backColor.R.ToString("X2") + backColor.G.ToString("X2") + backColor.B.ToString("X2"));
}
else if (foreColor.Name != "0" && backColor.Name == "0")
{
sb.Append("color:#");
sb.Append(foreColor.R.ToString("X2") + foreColor.G.ToString("X2") + foreColor.B.ToString("X2"));
}
else //if (foreColor.Name == "0" && backColor.Name != "0")
{
sb.Append("background-color:#");
sb.Append(backColor.R.ToString("X2") + backColor.G.ToString("X2") + backColor.B.ToString("X2"));
}
sb.Append(";\"");
return sb.ToString();
}
public string DGVCellFontAndValueToHTML(string value, Font font)
{
//If no font has been set then assume its the default as someone would be expected in HTML or Excel
if (font == null || font == this.Font && !(font.Bold | font.Italic | font.Underline | font.Strikeout)) return value;
StringBuilder sb = new StringBuilder();
sb.Append(" ");
if (font.Bold) sb.Append("<b>");
if (font.Italic) sb.Append("<i>");
if (font.Strikeout) sb.Append("<strike>");
//The <u> element was deprecated in HTML 4.01. The new HTML 5 tag is: text-decoration: underline
if (font.Underline) sb.Append("<u>");
string size = string.Empty;
if (font.Size != this.Font.Size) size = "font-size: " + font.Size + "pt;";
//The <font> tag is not supported in HTML5. Use CSS or a span instead.
if (font.FontFamily.Name != this.Font.Name)
{
sb.Append("<span style=\"font-family: ");
sb.Append(font.FontFamily.Name);
sb.Append("; ");
sb.Append(size);
sb.Append("\">");
}
sb.Append(value);
if (font.FontFamily.Name != this.Font.Name) sb.Append("</span>");
if (font.Underline) sb.Append("</u>");
if (font.Strikeout) sb.Append("</strike>");
if (font.Italic) sb.Append("</i>");
if (font.Bold) sb.Append("</b>");
return sb.ToString();
}
public string DGVCellAlignmentToHTML(DataGridViewContentAlignment align)
{
if (align == DataGridViewContentAlignment.NotSet) return string.Empty;
string horizontalAlignment = string.Empty;
string verticalAlignment = string.Empty;
CellAlignment(align, ref horizontalAlignment, ref verticalAlignment);
StringBuilder sb = new StringBuilder();
sb.Append(" align='");
sb.Append(horizontalAlignment);
sb.Append("' valign='");
sb.Append(verticalAlignment);
sb.Append("'");
return sb.ToString();
}
private void CellAlignment(DataGridViewContentAlignment align, ref string horizontalAlignment, ref string verticalAlignment)
{
switch (align)
{
case DataGridViewContentAlignment.MiddleRight:
horizontalAlignment = "right";
verticalAlignment = "middle";
break;
case DataGridViewContentAlignment.MiddleLeft:
horizontalAlignment = "left";
verticalAlignment = "middle";
break;
case DataGridViewContentAlignment.MiddleCenter:
horizontalAlignment = "centre";
verticalAlignment = "middle";
break;
case DataGridViewContentAlignment.TopCenter:
horizontalAlignment = "centre";
verticalAlignment = "top";
break;
case DataGridViewContentAlignment.BottomCenter:
horizontalAlignment = "centre";
verticalAlignment = "bottom";
break;
case DataGridViewContentAlignment.TopLeft:
horizontalAlignment = "left";
verticalAlignment = "top";
break;
case DataGridViewContentAlignment.BottomLeft:
horizontalAlignment = "left";
verticalAlignment = "bottom";
break;
case DataGridViewContentAlignment.TopRight:
horizontalAlignment = "right";
verticalAlignment = "top";
break;
case DataGridViewContentAlignment.BottomRight:
horizontalAlignment = "right";
verticalAlignment = "bottom";
break;
default: //DataGridViewContentAlignment.NotSet
horizontalAlignment = "left";
verticalAlignment = "middle";
break;
}
}
#endregion