[Ext.Net] GridPanel 相關整理

隐藏列  
GridPanel_1.ColumnModel.SetHidden(1, true);
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[VB.Net] 匯出 DataGridView 資料到 Excel

匯出 DataGridView 資料到 Excel   Imports System.Runtime.InteropServices Private Sub btnExport_Click(sender As Object, e As EventArgs) Handles btnExport.Click ' 檢查DataGridView是否有數據' If dgv1.Rows.Count = 0 Then MessageBox.Show("沒有資料可以匯出", "訊息", MessageBoxButtons.OK, MessageBoxIcon.Hand) Return End If ' 檢查是否安裝Excel' If Not IsExcelInstalled() Then MessageBox.Show("這台電腦沒有安裝 Office Excel，無法繼續執行！", "訊息", MessageBoxButtons.OK, MessageBoxIcon.Hand) Return End If Try ' 開始匯出資料到 Excel' ExportDataGridViewToExcel(dgv1) Catch ex As Exception MessageBox.Show(ex.ToString, "匯出 Excel 發生錯誤", MessageBoxButtons.OK, MessageBoxIcon.Error) End Try End Sub ' 檢查是否安裝Excel' Private Function IsExcelInstalled() As Boolean Try Dim excelApp As New Excel.Application() If excelApp IsNot Nothing Then excelApp.Quit() ...
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DataGridView相關

1.選擇一整列 DataGridView  →  屬性 → SelectionMode → FullRowSelect  2.只能單選 DataGridView  →  屬性 → MultiSelect → False  3.禁止排序功能 For i As Integer = 0 To DataGridView1.ColumnCount-1      DataGridView1.Columns(i).SortMode = DataGridViewColumnSortMode.NotSortable Next 參考網址:  By Hao★
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[C#] Convert Excel to PDF

  using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Web; using Spire.Xls; namespace ToPDF { class Program { static void Main(string[] args) { string tempPath = HttpRuntime.AppDomainAppPath.ToString() + "\\Report\\"; Workbook workbook = new Workbook(); workbook.LoadFromFile(tempPath + "Sample.xlsx", ExcelVersion.Version2010); for(int i = 0; i < workbook.Worksheets.Count; i++) { workbook.Worksheets[i].PageSetup.Orientation = PageOrientationType.Landscape; workbook.Worksheets[i].PageSetup.IsFitToPage = true; } workbook.SaveToFile(tempPath + "result.pdf", Spire.Xls.FileFormat.PDF); } } } 參考網址 By Hao★
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