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[英]find user_id from stored string which is in string format and the id is stored with semicolon
[英]Find a user_id from string where id is one digit or 2 digit using SQL Server query
这是我的C#代码
private DataTable bindTrainingAttendeedGridView(string condition)
{
DataTable dtGrid = new DataTable();
con.ConnectionString = constr;
string query = "select training_id,CONVERT(varchar(10),training_date,101) AS Training_date,topic,trainee from tbl_training_attendee where 1=1 " + condition;
SqlCommand cmd = new SqlCommand(query, con);
SqlDataAdapter sqladapter = new SqlDataAdapter(cmd);
sqladapter.Fill(dtGrid);
if (dtGrid.Rows.Count <= 0)
{
Label1.Text = "No Matching Training taken Entries Found, Thank You.";
}
else
{
Label1.Text = "";
}
//con.Open();
return dtGrid;
}
protected void TrainingAttendenceGridViewBind(string condition)
{
try
{
TrainingAttendeedGridView.DataSource = bindTrainingAttendeedGridView(condition);
TrainingAttendeedGridView.DataBind();
}
catch (Exception er)
{
throw er;
}
}
protected void training_attendence_condition()
{
string condition = "";
if (UserDropDownList.SelectedIndex > 0)
{
condition += "AND PATINDEX('%61%',trainee)!=0 or(PATINDEX('%,61,%',trainee)!=0 and PATINDEX('%,61%',trainee)!=0 and PATINDEX('%61,%',trainee)!=0 )
}
TrainingAttendenceGridViewBind(condition);
}
在training_attendence_condition
,我可以编写查询以获取该行的user_id
,但它只能显示两位数字记录,当取一位数字时,它可以返回第二位数字。 因此,请帮助获得一两位数字
试试这个SQL查询,不需要training_attendence_condition,你可以直接写给定的查询:
select training_id,CONVERT(varchar(10),training_date,101) AS Training_date,topic,trainee from tbl_training_attendee where CONCAT( ',',trainee,',') like CONCAT( '%,','61',',%' )
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