导入Excel文件后,InvtID中的数据已经与“ 3”列匹配,但是问题如图所示,为什么最后一列数据之后的数据表中的数据列(InvtID)填充了?如何固定位置以与“ 3”列匹配。我已经将InvtID列设置为0。是否有任何一行代码可以将行开始定位为1 ?:
public void filldatagridview(ExcelWorksheet workSheet)
{
DataTable dt = new DataTable();
//Create the data column
for (int col = workSheet.Dimension.Start.Column;
col <= workSheet.Dimension.End.Column; col++)
{
dt.Columns.Add(col.ToString());
}
for (int row = 12; row <= 26; row++)
{
DataRow newRow = dt.NewRow(); //Create a row
int i = 0;
for (int col = workSheet.Dimension.Start.Column;
col <= workSheet.Dimension.End.Column; col++)
{
newRow[i++] = workSheet.Cells[row, col].Text;
}
dt.Rows.Add(newRow);
}
dt.Columns.RemoveAt(0); //remove No
dt.Columns.RemoveAt(0); //remove article
//Get BookCode
var barCodes = dt.AsEnumerable().Select(r => r.Field<string>("3"))
.ToArray(); //EAN column
var barCodesstring = string.Format("'{0}'", string.Join("','", barCodes));
SqlCommand cmd = new SqlCommand("SELECT InvtID FROM InventoryCustomer WHERE
Barcode IN (" + barCodesstring + ")", conn);
conn.Open();
SqlDataAdapter da = new SqlDataAdapter(cmd);
da.Fill(dt);
dt.Columns["InvtID"].SetOrdinal(0);
dataGridView2.DataSource = dt;
conn.Close();
}
答案 0 :(得分:1)
此代码总是添加新行DataRow newRow = dt.NewRow();
,因此您的行不匹配:
for (int row = 12; row <= 26; row++)
{
DataRow newRow = dt.NewRow(); //Create a row
//...
dt.Rows.Add(newRow);
}
但是,如果我理解正确,您希望将数据设置到特定的数据单元中。然后,您应该找到现有行并设置单元格值:
DataRow dr = dt.Rows[yourRowNumber];
dr[3] = "Your New Value";