C# 如何将数据库数据格式化为同一行中的excel c
这是数据库中我的表 使用此表,它将使用以下格式导出到excel,其中具有相同大小写id的记录将导出到同一行中的excel 我正在为如何使数据库中的数据显示在同一个案例id的excel的同一行而苦苦挣扎 下面是我目前正在使用的excel的一个片段 这是我的C代码C# 如何将数据库数据格式化为同一行中的excel c,c#,mysql,asp.net,excel,C#,Mysql,Asp.net,Excel,这是数据库中我的表 使用此表,它将使用以下格式导出到excel,其中具有相同大小写id的记录将导出到同一行中的excel 我正在为如何使数据库中的数据显示在同一个案例id的excel的同一行而苦苦挣扎 下面是我目前正在使用的excel的一个片段 这是我的C代码 public string DB_CONN = ConfigurationManager.ConnectionStrings["constr"].ConnectionString; protected void Page_L
public string DB_CONN =
ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
protected void Page_Load(object sender, EventArgs e)
{
getAll();
}
protected void getAll()
{
DateTime dTime = DateTime.Now;
string now_time = dTime.ToString("yyyy-MM-dd HH:mm:ss");
string sql = "";
MySqlConnection conn = null;
MySqlDataAdapter msda = null;
DataSet ds = null;
string id = "ALL";
sql = "SELECT * FROM testing";
conn = new MySqlConnection(DB_CONN);
conn.Open();
msda = new MySqlDataAdapter(sql, conn);
ds = new DataSet();
msda.Fill(ds, "charge");
using (ExcelPackage p = new ExcelPackage())
{
ExcelWorksheet worksheet = p.Workbook.Worksheets.Add("收入報表");
int row = 1;
//Add the headers
worksheet.Cells[row, 1].Value = "date";
worksheet.Cells[row, 2].Value = "heading";
worksheet.Cells[row, 3].Value = "detail";
worksheet.Cells[row, 4].Value = "heading";
worksheet.Cells[row, 5].Value = "detail";
worksheet.Cells[row, 6].Value = "heading";
worksheet.Cells[row, 7].Value = "detail";
for (int i = 0; i < ds.Tables["charge"].Rows.Count; i++)
{
++row;
int k = 0;
worksheet.Cells[row, ++k].Value = ds.Tables["charge"].Rows[i]["date"].ToString();
worksheet.Cells[row, ++k].Value = ds.Tables["charge"].Rows[i]["heading"].ToString();
worksheet.Cells[row, ++k].Value = ds.Tables["charge"].Rows[i]["detail"].ToString();
worksheet.Cells[row, ++k].Value = ds.Tables["charge"].Rows[i]["case_id"].ToString();
}
String exportFileName = "income_report_" + "_" + ".xlsx";
Byte[] fileBytes = p.GetAsByteArray(); //Read the Excel file in a byte array
//Clear the response
Response.ClearHeaders();
Response.ClearContent();
Response.Clear();
Response.AddHeader("Content-Disposition", "attachment;filename=" + exportFileName + "; "
);
Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
Response.BinaryWrite(fileBytes);
Response.End();
Response.Flush();
Response.Close();
}
}
检查前一行是否为相同的案例id,并碰撞列而不是碰撞行
var lastColumn;
var row = 0;
for (var i = 0; i < ds.Tables["charge"].Rows.Count; i++)
{
if (i != 0 && ds.Tables["charge"].Rows[i]["case_id"].ToString() == ds.Tables["charge"].Rows[i - 1]["case_id"].ToString())
{
worksheet.Cells[row, lastColumn++] = ds.Tables["charge"].Rows[i]["heading"].ToString();
worksheet.Cells[row, lastColumn++] = ds.Tables["charge"].Rows[i]["detail"].ToString();
continue;
}
row++;
worksheet.Cells[row, 1] = ds.Tables["charge"].Rows[i]["date"].ToString();
worksheet.Cells[row, 2] = ds.Tables["charge"].Rows[i]["heading"].ToString();
worksheet.Cells[row, 3] = ds.Tables["charge"].Rows[i]["detail"].ToString();
lastColumn = 3;
}
非常感谢你的帮助!!
var lastColumn;
var row = 0;
for (var i = 0; i < ds.Tables["charge"].Rows.Count; i++)
{
if (i != 0 && ds.Tables["charge"].Rows[i]["case_id"].ToString() == ds.Tables["charge"].Rows[i - 1]["case_id"].ToString())
{
worksheet.Cells[row, lastColumn++] = ds.Tables["charge"].Rows[i]["heading"].ToString();
worksheet.Cells[row, lastColumn++] = ds.Tables["charge"].Rows[i]["detail"].ToString();
continue;
}
row++;
worksheet.Cells[row, 1] = ds.Tables["charge"].Rows[i]["date"].ToString();
worksheet.Cells[row, 2] = ds.Tables["charge"].Rows[i]["heading"].ToString();
worksheet.Cells[row, 3] = ds.Tables["charge"].Rows[i]["detail"].ToString();
lastColumn = 3;
}