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标题:
如何导入excel表格到data table里
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作者:
ALEN灬chen
时间:
2009-12-14 17:15
标题:
如何导入excel表格到data table里
如题,请高手请教职工
作者:
wu_xiaoxiang
时间:
2009-12-14 19:59
1.加载Excel(读取excel内容)返回值是一个DataSet
//加载Excel
public static DataSet LoadDataFromExcel(string filePath)
{
try
{
string strConn;
strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + filePath + ";Extended Properties='Excel 8.0;HDR=False;IMEX=1'";
OleDbConnection OleConn = new OleDbConnection(strConn);
OleConn.Open();
String sql = "SELECT * FROM [Sheet1$]";//可是更改Sheet名称,比如sheet2,等等
OleDbDataAdapter OleDaExcel = new OleDbDataAdapter(sql, OleConn);
DataSet OleDsExcle = new DataSet();
OleDaExcel.Fill(OleDsExcle, "Sheet1");
OleConn.Close();
return OleDsExcle;
}
catch (Exception err)
{
MessageBox.Show("数据绑定Excel失败!失败原因:" + err.Message, "提示信息",
MessageBoxButtons.OK, MessageBoxIcon.Information);
return null;
}
}
2.写入Excel内容,参数:excelTable是要导入excel的一个table表
public static bool SaveDataTableToExcel(System.Data.DataTable excelTable, string filePath)
{
Microsoft.Office.Interop.Excel.Application app =
new Microsoft.Office.Interop.Excel.ApplicationClass();
try
{
app.Visible = false;
Workbook wBook = app.Workbooks.Add(true);
Worksheet wSheet = wBook.Worksheets[1] as Worksheet;
if (excelTable.Rows.Count > 0)
{
int row = 0;
row = excelTable.Rows.Count;
int col = excelTable.Columns.Count;
for (int i = 0; i < row; i++)
{
for (int j = 0; j < col; j++)
{
string str = excelTable.Rows
[j].ToString();
wSheet.Cells[i + 2, j + 1] = str;
}
}
}
int size = excelTable.Columns.Count;
for (int i = 0; i < size; i++)
{
wSheet.Cells[1, 1 + i] = excelTable.Columns
.ColumnName;
}
//设置禁止弹出保存和覆盖的询问提示框
app.DisplayAlerts = false;
app.AlertBeforeOverwriting = false;
//保存工作簿
wBook.Save();
//保存excel文件
app.Save(filePath);
app.SaveWorkspace(filePath);
app.Quit();
app = null;
return true;
}
catch (Exception err)
{
MessageBox.Show("导出Excel出错!错误原因:" + err.Message, "提示信息",
MessageBoxButtons.OK, MessageBoxIcon.Information);
return false;
}
finally
{
}
}
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