服务端gridview导出到excel的有关问题
日期：2014-05-18 浏览次数：20460 次
服务端gridview导出到excel的问题
Private Sub importExl()
Dim fileName As String = Server.MapPath("\") & "//" & Session("user_id").ToString() & "_" & Me.lblEquType.Text.ToString().Trim() & "_draft.xlsx"
Dim fs As New FileStream(fileName, FileMode.Create, FileAccess.Write)
Dim streamW As New StreamWriter(fs, System.Text.Encoding.GetEncoding("gb2312"))
Dim sw As New StringWriter()
GridConfigPara.RenderControl(htw)
streamW.Write(sw.ToString())
streamW.Flush()
streamW.Close()
End Sub
导出的excel打开错误，请教有什么好的方法 在服务端把gridview导出到excel。
------解决方案--------------------
http://www.cnblogs.com/hemood/archive/2009/08/25/1553643.html
------解决方案--------------------
Private Sub importExl()
Dim fileName As String = Server.MapPath("\") & "//" & Session("user_id").ToString() & "_" & Me.lblEquType.Text.ToString().Trim() & "_draft.xlsx"
Dim fs As New FileStream(fileName, FileMode.Create, FileAccess.Write)
Dim streamW As New StreamWriter(fs, System.Text.Encoding.GetEncoding("gb2312"))
Dim sw As New StringWriter()
GridConfigPara.RenderControl(htw)
streamW.Write(sw.ToString())
streamW.Flush()
streamW.Close()
End Sub
导出的excel打开错误，请教有什么好的方法 在服务端把gridview导出到excel。
------解决方案--------------------
http://www.cnblogs.com/hemood/archive/2009/08/25/1553643.html
------解决方案--------------------
- C# code
public static void PrintExcel(DataTable dt)
{
if (dt.Rows.Count > 0)
{
Excel.Application ExcelApp = new Excel.Application();
ExcelApp.Visible = true;
Excel.Workbooks workbooks = ExcelApp.Workbooks;
Excel._Workbook workbook = workbooks.Add(Excel.XlWBATemplate.xlWBATWorksheet);
Excel.Sheets sheets = workbook.Worksheets;
Excel._Worksheet worksheet = (Excel._Worksheet)sheets.get_Item(1);
int intColumnsCount = dt.Columns.Count;
Excel.Range range_data = null;
int iRow = 5;
string strExcelBeginColumn = "A";
string strExcelEndColumn = string.Empty;
int a = intColumnsCount / 26;
if (a > 0)
{
string strFirstKey = ((char)(65 + (a - 1))).ToString();
int b = intColumnsCount % 26;
string strLastKey = ((char)(65 + (b - 1))).ToString();
if (b == 0)
{
strLastKey = "Z";
if (strFirstKey == "A")
{
strFirstKey = string.Empty;
}
else
{
strFirstKey = ((char)(65 + (a - 2))).ToString();
}
}
strExcelEndColumn = strFirstKey + strLastKey;
}
else
{
strExcelEndColumn = ((char)(65 + (intColumnsCount - 1))).ToString();
}
object[] objColumnsHeaderText = new object[intColumnsCount];
object[] objData = new object[intColumnsCount];
for (int i = 0; i < dt.Columns.Count; i++)
{
objColumnsHeaderText[i] = dt.Columns[i].ColumnName.ToString();
}
range_data = worksheet.get_Range(strExcelBeginColumn + iRow.ToString().Trim(), strExcelEndColumn + iRow.ToString().Trim());
range_data.Font.Size = 10;
range_data.Value2 = objColumnsHeaderText;
range_data.Font.Bold = true;
range_data.Rows.HorizontalAlignment = HorizontalAlign.Center;
range_data.Borders.LineStyle = 1;
for (int i = 0; i < dt.Rows.Count; i++)
{
iRow++;
for (int j = 0; j < intColumnsCount; j++)
{
if (dt.Rows[i][j] != null)
{
objData[j] = dt.Rows[i][j].ToString().Trim();
}
else
{
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