datagridview数据导出到excel

datagridview数据导出到excel

2008年05月12日 星期一 上午 10:35

{
/// <summary>
/// 导出Excel
/// </summary>
/// <param name="mydgv">控件 DataGridView </param>
/// <param name="dic">中英文对照的标题 </param>
public static void ExportTasks(DataGridView mydgv, Dictionary <string, string> dic)
{
// 定义要使用的Excel 组件接口
// 定义Application 对象,此对象表示整个Excel 程序
Microsoft.Office.Interop.Excel.Application excelApp = null;
// 定义Workbook对象,此对象代表工作薄
Microsoft.Office.Interop.Excel.Workbook workBook;
// 定义Worksheet 对象,此对象表示Execel 中的一张工作表
Microsoft.Office.Interop.Excel.Worksheet ws = null;
//定义Range对象,此对象代表单元格区域
Microsoft.Office.Interop.Excel.Range range;

int dcell = 1;
int rowindex = 0; int colindex = 0;

int rowcount = mydgv.Rows.Count;
int colcount = mydgv.Columns.Count;
int dispcolcount = dic.Count;
try
{
//初始化 Application 对象 excelApp
excelApp = new Microsoft.Office.Interop.Excel.Application();
//在工作薄的第一个工作表上创建任务列表
workBook = excelApp.Workbooks.Add(XlWBATemplate.xlWBATWorksheet);
ws = (Worksheet)workBook.Worksheets[1];

// 命名工作表的名称为
ws.Name = "Sheet1";
//创建缓存
Object[,] objdata = new object[rowcount + 1, colcount];
//创建标题
foreach (string s in dic.Keys)
{
objdata[rowindex, colindex++] = dic[s].ToString();
}
//获取数据
for (int i = 0; i < rowcount; i++)
{
dcell = 0;
foreach (string ss in dic.Keys)
{
for (int j = 0; j < colcount; j++)
{
if (mydgv.Columns[j].Name == ss)
{
objdata[i + 1, dcell++] = mydgv.Rows[i].Cells[j].FormattedValue.ToString(); //得到样式之后的值
}
}
}
}
//写入Excel
range = ws.get_Range(excelApp.Cells[1, 1], excelApp.Cells[rowcount, dispcolcount]);
range.Value2 = objdata;
System.Windows.Forms.Application.DoEvents();
//设置格式
excelApp.Cells.HorizontalAlignment = Microsoft.Office.Interop.Excel.Constants.xlLeft; //全局左对齐
excelApp.Cells.EntireColumn.AutoFit();
range = ws.get_Range(excelApp.Cells[1, 1], excelApp.Cells[1, colcount]);
range.Font.Bold = true; //标题粗体
//显示 Excel
excelApp.Visible = true;

}
catch (Exception ex)
{
throw ex;
}