如何在Visual Studio 2010中使用Crystal Reports创建报表

Question

我是Visual Studio 2010 C#的新手.我正在创建一个创建报告的应用程序.报告中显示的信息来自MySQL服务器.我已经安装了Crystal Reports.但是,我从MySQL获取数据时遇到了一些问题,因为我无法从MySQL中找到数据.报告创建向导中显示的数据不是MySQL中的数据库文件,而是我在C#中创建的表单.请帮忙.

截图:

Answer 1

DataAccess.Connection.Close();
DataAccess.Connection.Open();
DataAccess.dataAdapter = new SqlDataAdapter(" SELECT sales.qty, sales.ord_date, sales.payterms, stores.stor_name, stores.stor_id, titles.title_id, titles.title, titles.price, (sales.qty * titles.price) AS Total FROM sales INNER JOIN stores ON sales.stor_id = stores.stor_id INNER JOIN  titles ON sales.title_id = titles.title_id", DataAccess.Connection);

DataAccess.dataTable = new DataTable();
DataAccess.dataAdapter.Fill(DataAccess.dataTable);
Bind.DataSource = DataAccess.dataTable;
string temp = DataAccess.dataTable.Rows[0][3].ToString();

Excel.Application xlApp2 = new Excel.Application();
xlApp2.Visible = true;
Excel.Workbook Workbook2 = xlApp2.Workbooks.Add(1);
Excel.Worksheet Worksheet2 = (Excel.Worksheet)Workbook2.Sheets[1];

Worksheet2.Cells[1, 1] = "Sales Report";
Worksheet2.Cells[3, 1] = temp.ToUpper();
Worksheet2.Cells[4, 2] = "Order Date";
Worksheet2.Cells[4, 3] = "Payment Terms";
Worksheet2.Cells[4, 4] = "Store Name";
Worksheet2.Cells[4, 5] = "Store ID";
Worksheet2.Cells[4, 6] = "Title ID";
Worksheet2.Cells[4, 7] = "Book Title";
Worksheet2.Cells[4, 8] = "Unit Price";
Worksheet2.Cells[4, 9] = "Total Price";

int intCount2 = 5;
int TotalRec = 0;
int finecort = 0;
decimal cost = 0;
decimal cost1 = 0;

for (int n = 0; n < DataAccess.dataTable.Rows.Count; n++)
{
    if (DataAccess.dataTable.Rows[n][3].ToString().Equals(temp))
    {
        Worksheet2.Cells[intCount2, "C"] = DataAccess.dataTable.Rows[n][0];
        Worksheet2.Cells[intCount2, "B"] = DataAccess.dataTable.Rows[n][1];
        Worksheet2.Cells[intCount2, "D"] = DataAccess.dataTable.Rows[n][3];
        Worksheet2.Cells[intCount2, "E"] = DataAccess.dataTable.Rows[n][4];
        Worksheet2.Cells[intCount2, "F"] = DataAccess.dataTable.Rows[n][5];
        Worksheet2.Cells[intCount2, "G"] = DataAccess.dataTable.Rows[n][6];
        Worksheet2.Cells[intCount2, "H"] = DataAccess.dataTable.Rows[n][7];
        Worksheet2.Cells[intCount2, "I"] = DataAccess.dataTable.Rows[n][8];

        intCount2++;
        TotalRec++;
        finecort++;
        cost += Convert.ToDecimal(DataAccess.dataTable.Rows[n][8]);
        cost1 += Convert.ToDecimal(DataAccess.dataTable.Rows[n][8]);
    }
    else
    {
        Worksheet2.Cells[intCount2, "B"] = ("Number of records in " + temp + " group are" + TotalRec + " and the cost is R" + cost1);
        TotalRec = 0;
        cost1 = 0;
        temp = DataAccess.dataTable.Rows[n][3].ToString();
        Worksheet2.Cells[intCount2 + 2, "A"] = temp.ToUpper();

        Worksheet2.Cells[intCount2 + 3, "B"] = "Order Date";
        Worksheet2.Cells[intCount2 + 3, "C"] = "Quantity";
        Worksheet2.Cells[intCount2 + 3, "D"] = "Store Name";
        Worksheet2.Cells[intCount2 + 3, "E"] = "Store ID";
        Worksheet2.Cells[intCount2 + 3, "F"] = "Title ID";
        Worksheet2.Cells[intCount2 + 3, "G"] = "Book Title";
        Worksheet2.Cells[intCount2 + 3, "H"] = "Unit Price";
        Worksheet2.Cells[intCount2 + 3, "I"] = "Total Price";

        intCount2 += 4;
    }
    Worksheet2.Cells.Columns.AutoFit();

}

Worksheet2.Cells[intCount2, "B"] = ("Number of records in " + temp + " group=" + TotalRec);
Worksheet2.Cells[intCount2 + 2 ,"A"] = "2013 Sales Report records added upto ";
Worksheet2.Cells[intCount2 + 2, "B"] = finecort;
Worksheet2.Cells[intCount2 + 3, "A"] = "Grrand Total of all records ";
Worksheet2.Cells[intCount2 + 3, "B"] = "R"+cost;
Worksheet2.Range[Worksheet2.Cells[1, "A"], Worksheet2.Cells[1, "I"]].Merge();
Worksheet2.Cells.Columns.AutoFit();
DataAccess.Connection.Close();