我正在尝试使用以下方法将字符串转换为DataTable,但这没有用
public static DataTable convertStringToDataTable(string data)
{
DataTable dataTable = new DataTable();
bool columnsAdded = false;
foreach (string row in data.Split('\n'))
{
DataRow dataRow = dataTable.NewRow();
foreach (string cell in row.Split(','))
{
string[] keyValue = cell.Split('"');
if (!columnsAdded)
{
DataColumn dataColumn = new DataColumn(keyValue[0]);
dataTable.Columns.Add(dataColumn);
}
dataRow[keyValue[0]] = keyValue[1];
}
columnsAdded = true;
dataTable.Rows.Add(dataRow);
}
return dataTable;
}
包含数据字符串的代码:
StringWriter sw = new StringWriter();
sw.WriteLine("\"NumClient\",\"Raisons Sociale\",\"DateDocument\",\"NumCommandeNAV\",\"Réference\",\"Designation\",\"QteCommandée\",\"QteLivrée\",\"QteAnnulée\",\"Reste à Livrer\",\"Type Disponibilite\",\"DateDisponibilite\"");
var EnTete =
db.AURES_GROS_EnTeteCommande.Where(e => e.NumCommandeNAV != " " && e.NumCommandeNAV != "_")
.OrderBy(x => x.CodeMagasin)
.ThenBy(s => s.NumClient)
.ThenBy(c => c.DateDocument)
.OrderByDescending(x => x.NumCommandeNAV)
.ToList();
foreach (var element in EnTete)
{
string statut = RecuperStatut(element.NumCommandeNAV);
if (statut == "A livrer")
{
Raison = context.Users.First(x => x.No_ == element.NumClient).RaisonSociale;
lignes = db.AURES_GROS_LigneCommande.Where(x => x.NumDocument == element.NumDocument).ToList();
foreach (var elt in lignes)
{
sw.WriteLine(string.Format("\"{0}\",\"{1}\",\"{2}\",\"{3}\",\"{4}\",\"{5}\",\"{6}\",\"{7}\",\"{8}\",\"{9}\",\"{10}\",\"{11}\"",
element.NumClient,
Raison,
element.DateDocument,
element.NumCommandeNAV,
elt.CodeArticle,
elt.Designation,
elt.Quantite,
0,
elt.QteANNULEE,
elt.Quantite,
element.Couleur,
elt.DateDisponibilite
));
}
}
}
DataTable t = convertStringToDataTable(sw.ToString());
Response.ClearContent();
Response.ClearHeaders();
Response.BufferOutput = true;
Response.ContentType = "text/excel";
Response.AddHeader("Content-Disposition", "attachment; filename=Reliquat" + DateTime.Now.ToString("yyyy_MM_dd") + ".csv");
Response.Write(t);
Response.Flush();
Response.Close();
//Response.End();
在此代码中,我希望自己将数据导出到Excel文件
任何人都有解决方案,谢谢,
您可以将列foreach转换为for循环。
public static DataTable convertStringToDataTable(string data)
{
DataTable dataTable = new DataTable();
bool columnsAdded = false;
foreach (string row in data.Split('\n'))
{
DataRow dataRow = dataTable.NewRow();
string[] cell = row.Split(',');
for (int i = 0; i < cell.Length; i++)
{
string[] keyValue = cell[i].Split('"');
if (!columnsAdded)
{
DataColumn dataColumn = new DataColumn();
dataTable.Columns.Add(dataColumn);
}
dataRow[i] = keyValue[1];
}
columnsAdded = true;
dataTable.Rows.Add(dataRow);
}
return dataTable;
}
但是,如果您的split string [] keyValue = cell.Split('“');未返回您期望的结果,则可能需要进一步调查。
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