135 lines
3.9 KiB
C#
135 lines
3.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Data;
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using System.Text;
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using System.IO;
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using AspNet = System.Web.UI.WebControls;
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namespace FineUI.Examples.data
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{
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public partial class grid_excel_findcontrol : PageBase
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{
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protected void Page_Load(object sender, EventArgs e)
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{
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if (!IsPostBack)
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{
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BindGrid();
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}
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}
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#region BindGrid
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private void BindGrid()
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{
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ViewState["UseDataSource1"] = true;
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DataTable table = DataSourceUtil.GetDataTable();
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Grid1.DataSource = table;
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Grid1.DataBind();
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}
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#endregion
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#region Events
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protected void Button2_Click(object sender, EventArgs e)
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{
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DataTable table;
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if (Convert.ToBoolean(ViewState["UseDataSource1"]))
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{
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ViewState["UseDataSource1"] = false;
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table = DataSourceUtil.GetDataTable2();
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}
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else
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{
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ViewState["UseDataSource1"] = true;
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table = DataSourceUtil.GetDataTable();
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}
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Grid1.DataSource = table;
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Grid1.DataBind();
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}
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protected void Button1_Click(object sender, EventArgs e)
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{
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Response.ClearContent();
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Response.AddHeader("content-disposition", "attachment; filename=myexcel.xls");
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Response.ContentType = "application/excel";
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Response.ContentEncoding = System.Text.Encoding.UTF8;
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Response.Write(GetGridTableHtml(Grid1));
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Response.End();
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}
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private string GetGridTableHtml(Grid grid)
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{
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StringBuilder sb = new StringBuilder();
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sb.Append("<meta http-equiv=\"content-type\" content=\"application/excel; charset=UTF-8\"/>");
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sb.Append("<table cellspacing=\"0\" rules=\"all\" border=\"1\" style=\"border-collapse:collapse;\">");
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sb.Append("<tr>");
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foreach (GridColumn column in grid.Columns)
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{
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sb.AppendFormat("<td>{0}</td>", column.HeaderText);
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}
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sb.Append("</tr>");
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foreach (GridRow row in grid.Rows)
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{
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sb.Append("<tr>");
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foreach (GridColumn column in grid.Columns)
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{
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string html = row.Values[column.ColumnIndex].ToString();
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if (column.ColumnID == "tfNumber")
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{
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html = (row.FindControl("labNumber") as AspNet.Label).Text;
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}
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else if (column.ColumnID == "tfGender")
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{
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html = (row.FindControl("labGender") as AspNet.Label).Text;
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}
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else if (column.ColumnID == "cbfAtSchool")
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{
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if (html.Contains("checked"))
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{
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html = "是";
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}
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else
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{
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html = "否";
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}
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}
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else if (column.ColumnID == "ifGroup")
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{
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string prefix = Request.Url.AbsoluteUri.Replace(Request.Url.AbsolutePath, "");
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html = html.Replace("src=\"", "src=\"" + prefix);
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}
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sb.AppendFormat("<td>{0}</td>", html);
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}
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sb.Append("</tr>");
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}
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sb.Append("</table>");
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return sb.ToString();
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}
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#endregion
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}
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}
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