我有一個DataGridView,顯示從我的SQL一個表,但它有一些blankspaces,你可以在這個截圖中看到:刪除空格從列在數據庫
,我想知道,如果它是可以刪除這些空白。我已經試過了這個:
SqlCommand objcmd1 = new SqlCommand("UPDATE dbo.UXMenu SET TransDocument =
RTRIM(TransDocument) WHERE Estado = 0", myConnection);
objcmd1.ExecuteNonQuery();
但是不是刪除空格而是刪除整行。
這裏是我的代碼,用於在datagridview中顯示數據,如果您想了解更多關於代碼的細節,請隨時查詢。
InitializeComponent();
SqlConnection myConnection = new SqlConnection(@"Data source = ****;Database=****; User Id=****; Password=****");
myConnection.Open();
SqlCommand objcmd = new SqlCommand("SELECT TransDocument, TransSerial,
TransDocNumber, PartyName, PartyLocalityID, TotalAmount, ShipToPostalCode FROM dbo.UXMenu WHERE Estado = 0", myConnection);
objcmd.ExecuteNonQuery();
SqlDataAdapter adp = new SqlDataAdapter(objcmd);
DataTable dt = new DataTable();
adp.Fill(dt);
dataGridView1.DataSource = dt;
dataGridView1.AutoSizeColumnsMode =
DataGridViewAutoSizeColumnsMode.DisplayedCells;
UPDATE 1:
我補充說我用於創建表的代碼
SqlCommand command = new SqlCommand("IF OBJECT_ID('UXMenu', 'U') IS NULL CREATE TABLE UXMenu(TransDocument char(5), TransSerial char(5), TransDocNumber float PRIMARY KEY, PartyName char(60), PartyLocalityID char(5), TotalAmount char (25), ShipToPostalCode char(35), Estado int);", myConnection);
更新2:
添加創建該文本文件的代碼
if (dataGridViewEnviarDados.SelectedRows.Count > 0)
{
foreach (DataGridViewRow r in dataGridViewEnviarDados.SelectedRows)
{
var transactionHandler = new TransactionHandler();
FileInfo arquivo = new FileInfo(@"C:\Users\HP8200\Desktop\faturas\" + r.Cells[0].Value.ToString() + r.Cells[1].Value.ToString() + r.Cells[2].Value.ToString() + ".txt");
using (TextWriter tw = new StreamWriter(arquivo.FullName, false, Encoding.Default))
{
foreach (DataGridViewColumn c in dataGridViewEnviarDados.Columns)
{
tw.Write(r.Cells[c.Name].Value.ToString() + ";");
}
tw.Close();
}
}
}
更新3:
改變了我的代碼如下:
SqlCommand command = new SqlCommand("IF OBJECT_ID('UXMenu', 'U') IS NULL CREATE TABLE UXMenu(TransDocument varchar(5), TransSerial varchar(5), TransDocNumber float PRIMARY KEY, PartyName varchar(60), PartyLocalityID varchar(5), TotalAmount varchar(25), ShipToPostalCode varchar(35), Estado int);", conn);
現在我的表是這樣的:
標籤您正在使用的數據庫管理系統。 (例如,RTRIM是特定於產品的。) – jarlh
我在此屏幕截圖中看不到空白區域。 – Whencesoever
@Whencesseverever E.g.在TransDocument和TransSeries之間有很多空格 –