我想强制一个表的自动增量字段为某个值,我试着用这个:
ALTER TABLE product AUTO_INCREMENT = 1453
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和
ALTER SEQUENCE product RESTART WITH 1453;
ERROR: relation "your_sequence_name" does not exist
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我是postgres的新手:(
我有一个表product与Id和name领域
我有这段代码:
private void backgroundWorker1_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
{
remplirDataGrid();
}
private void frmChercherActesLoad(object sender, EventArgs e)
{
backgroundWorker1.RunWorkerAsync();
}
private void remplirDataGrid()
{
dataGridView1.DataSource = ActeServices.getAllActes(0, 40);
dataGridView1.Columns[0].Visible = false;
dataGridView1.Columns[1].HeaderText = "Code acte";
dataGridView1.Columns[2].HeaderText = "Désignation";
dataGridView1.Columns[3].HeaderText = "Pris en charge";
dataGridView1.Columns[4].HeaderText = "Id article";
dataGridView1.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.AllCells);
}
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这是方法getAllActe:
public static IEnumerable<Acte> getAllActes(int skipCount, int takeCount)
{
var myTableAdapter = new SmartDocDALServices.SmartDocDataSetTableAdapters.actesTableAdapter();
myTableAdapter.Fill(myDataSet.actes);
var myResult = from q in myDataSet.actes.AsEnumerable()
select new Acte
{
code = q.code,
designation …Run Code Online (Sandbox Code Playgroud) 我有这个代码
function verifyKey(e)
{
var keycode;
if (window.event)
keycode = window.event.keyCode;
else if (e)
keycode = e.which;
regex=/[1-9]/;
if(regex.test(keycode))
return true;
else
void(0);
}
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在 html 中,我添加了一个输入,并添加了 onkeydown 事件 onkeydown="verifyKey(event);"
我喜欢在它显示在文本上之前验证密钥
如果键是数字或 coma(,) 或句号 (.) 则接受键否则拒绝它
谢谢
嗨,我有这个代码来读取表单excel文件并使用joomla添加到数据库
try
{
$inputFileType = PHPExcel_IOFactory::identify($inputFileName);
$objReader = PHPExcel_IOFactory::createReader($inputFileType);
$objReader = PHPExcel_IOFactory::createReader($inputFileType);
$objPHPExcel = $objReader->load($inputFileName);
}
catch(Exception $e) {
die('Error loading file "'.pathinfo($inputFileName,PATHINFO_BASENAME).'": '.$e->getMessage());
}
$sheet = $objPHPExcel->getSheet(0);
$highestRow = $sheet->getHighestRow();
$highestColumn = $sheet->getHighestColumn();
for($i = 11; $i <= $highestRow; $i++)
{
$rowData = $sheet->rangeToArray('A' . $i . ':' . $highestColumn . $i,
NULL,
TRUE,
True
);
$row = $rowData[0];
$valeur1 = $row[8];
}
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我打开文件,每行读取一次,每行读取每个单元格
好吧有时候行[8]是一个格式化的数字(100100.5),有时候不像(100,100.5)或其他什么我需要知道细胞类型,如果细胞不是数字就做一些改变.
c# ×2
winforms ×2
.net ×1
data-binding ×1
datagridview ×1
html ×1
javascript ×1
mschart ×1
onkeydown ×1
phpexcel ×1
postgresql ×1
regex ×1
reset ×1
sql ×1