/// <summary>
/// 将DataGridView数据转化为DataTable,不包括隐藏列
/// </summary>
/// <param name="dgv"></param>
/// <returns></returns>
public DataTable DgvToDataTable(DataGridView dgv)
{
List<DataColumn > colList = new List< DataColumn>();
DataTable dt = new DataTable();
for (int count = 0; count < dgv.Columns.Count; count++)
{
DataColumn dc = new DataColumn(dgv.Columns[count].HeaderText);
dt.Columns.Add(dc);
if (dgv.Columns[count].Visible == false )
colList.Add(dc);
}
for (int count = 0; count < dgv.Rows.Count; count++)
{
DataRow dr = dt.NewRow();
for (int countsub = 0; countsub < dgv.Columns.Count; countsub++)
{
if (dgv.Columns[countsub].Visible == false)
continue;
dr[countsub] = Convert.ToString(dgv.Rows[count].Cells[countsub].Value);
}
dt.Rows.Add(dr);
}
foreach (var col in colList)
{
dt.Columns.Remove(col);
}
return dt;
}/// <summary>
/// 导出DataTable到Excel文件,使用Aspose.Cells.dll
/// </summary>
/// <param name="dt"> 要导出的数据 </param>
/// <param name="path"> 保存路径</param>
public static void ExportDtToExcel( DataTable dt, string path)
{
Workbook workbook = new Workbook(); //工作簿
Worksheet sheet = workbook.Worksheets[0]; //工作表
Cells cells = sheet.Cells;//单元格
//样式2
Style style2 = workbook.Styles[workbook.Styles.Add()];//新增样式
//style2.HorizontalAlignment = TextAlignmentType.Center;//文字居中
style2.Font.Name = "宋体";//文字字体
style2.Font.Size = 9; //文字大小
style2.Font.IsBold = true;//粗体
style2.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;
style2.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
style2.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;
style2.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;
//样式3
Style style3 = workbook.Styles[workbook.Styles.Add()];//新增样式
//style3.HorizontalAlignment = TextAlignmentType.Center;//文字居中
style3.Font.Name = "宋体";//文字字体
style3.Font.Size = 9; //文字大小
style3.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;
style3.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
style3.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;
style3.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;
int Colnum = dt.Columns.Count;//表格列数
int Rownum = dt.Rows.Count;//表格行数
//生成行1 列名行
for (int i = 0; i < Colnum; i++)
{
cells[0, i].PutValue(dt.Columns[i].ColumnName);
cells[0, i].SetStyle(style2);
//cells.SetRowHeight(0, 20);
}
//生成数据行
for (int i = 0; i < Rownum; i++)
{
for (int k = 0; k < Colnum; k++)
{
cells[1 + i, k].PutValue(dt.Rows[i][k].ToString());
cells[1 + i, k].SetStyle(style3);
}
//cells.SetRowHeight(1 + i, 20);
}
workbook.Save(path);
}
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