[英]How can I remove “Number Stored as Text” prompt upon Export To Excel using EPPLUS?
我已經使用EPPLUS將gridview數據導出到excel,但是在打開導出的excel文件后,對於幾列,我都有綠色標簽“ Number as as text as as text”的存儲提示。
由於第一行是標題,我如何在導出為excel代碼的代碼中更改從指定列的第二行開始的特定列的數據類型/轉換為數字?
我有類似的問題。 就像Ordel Eraki所說:不要對值進行字符串化:
workSheet.Cells[1, 1].Value = 2; // Value is object
workSheet.Cells [1,1] .Value =2。ToString()
您應該將字符串另存為int
而不是string
。 每當您希望單元格為數字時,只需將單元格輸入轉換為int
。
這意味着,在填充數據時,請確保將其填充為int
。
我在這里更新了您的代碼。
檢查添加的代碼。
已編輯
我假設您正在做的事情,已更改了DataTable
的變量名GridView1
是GridView UI Control
並且您將DataTable Name
為GridView1
,代碼可能使GridView1
混淆
protected void EXPORT_BUTTON_Click(object sender, EventArgs e)
{
// Added Code
int parseValue;
bool isInt;
ExcelPackage package = new ExcelPackage();
ExcelWorksheet Grid = package.Workbook.Worksheets.Add("ORSA ASSESSMENTS");
DataTable dt = new DataTable();
for (int i = 0; i < dt.Columns.Count; i++)
{
// Update Type
dt.Columns.Add("column" + i.ToString(), typeof(int));
}
foreach (GridViewRow row in GridView1.Rows)
{
DataRow dr = dt.NewRow();
for (int j = 0; j < GridView1.Columns.Count; j++)
{
row.Cells[j].Text = row.Cells[j].Text.Replace(" ", " ");
// Added Code
isInt = int.TryParse(row.Cells[j].Text.Trim(), out parseValue);
// Added Code
if (isInt)
dr["column" + j.ToString()] = parseValue;
}
dt.Rows.Add(dr);
}
Grid.Cells["A1"].LoadFromDataTable(dt, true);
using (ExcelRange rng = Grid.Cells["A1:Z1"])
{
rng.Style.Font.Bold = true;
}
Grid.Cells[ORSA.Dimension.Address].AutoFitColumns();
var FolderPath = ServerName + DirectoryLocation + DirectoryFolder + ExportsFolder;
var filename = ExcelName + @"_" + ".xlsx";
var filepath = new FileInfo(Path.Combine(FolderPath, filename));
Response.Clear();
package.SaveAs(filepath);
Response.AddHeader("content-disposition", "attachment; filename=" + filename + ";");
Response.Charset = "";
Response.ContentType = "application/vnd.xlsx";
Response.TransmitFile(filepath.FullName);
Response.End();
}
這是我模擬的示例,是一個有效的示例
protected void Page_Load(object sender, EventArgs e)
{
// Check
if (!IsPostBack)
{
DataTable dt = new DataTable();
// Create Column
for(int i = 0; i < 5; i++)
dt.Columns.Add("column" + i, typeof(int));
for (int i = 0; i < 10; i++)
dt.Rows.Add(i, i+1, i+2, i+3, i+4);
GenerateExcel(dt);
}
}
private void GenerateExcel(DataTable dt)
{
using (ExcelPackage pkg = new ExcelPackage())
{
ExcelWorksheet ws = pkg.Workbook.Worksheets.Add("Sheet1");
ws.Cells[1, 1].LoadFromDataTable(dt, true, OfficeOpenXml.Table.TableStyles.Light18);
pkg.SaveAs(new FileInfo("C:\\Test.xlsx"));
}
}
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