namespace dt.cs
{
class Program
{
static void Main(string[] args)
{
DataTable objdatatable;
DataRow objdatarow;
DataRow[] objdatarowcollection;
int intcount,intcount1;
try
{
objdatatable = new DataTable("Student Details");
objdatatable.Columns.Add("Student ID", typeof(string));
objdatatable.Columns.Add("Student Name", typeof(string));
objdatatable.Columns.Add("Phone No", typeof(string));
for (intcount = 1; intcount <= 5; intcount++)
{
Console.WriteLine("enter your choice:\n 1.Add Record \n 2.Delete Record \n 3.Update Record\n 4.table rename\n 5.View Record \n 6.exit");
intcount = Convert.ToInt32(Console.ReadLine());
switch (intcount)
{
case 1:
Console.WriteLine("\nHow Many Record You Want To Add:");
intcount1 = Convert.ToInt32(Console.ReadLine());
for (intcount = 1; intcount <= intcount1; intcount++)
{
objdatarow = objdatatable.NewRow();
Console.WriteLine("\nEnter Student Id:\n");
objdatarow["student Id"] = Console.ReadLine();
Console.WriteLine("\nEnter Student Name:\n");
objdatarow["student Name"] = Console.ReadLine();
Console.WriteLine("\nEnter student Contact Number:\n");
objdatarow["phone no"] = Console.ReadLine();
objdatatable.Rows.Add(objdatarow);
}
break;
case 2:
Console.WriteLine("Select Id for Delete Record");
string stringname = Console.ReadLine();
objdatarowcollection = objdatatable.Select("student Id ='" + stringname + "'");
if(objdatarowcollection!=null && objdatarowcollection.Length > 0)
objdatarowcollection[0].Delete();
Console.WriteLine("The Number of Records \n{0}", objdatatable.Rows.Count.ToString());
break;
这是我的代码，在这里我无法删除特定记录，我犯了什么错误？
请事先找出我的错误朋友谢谢
[Table Name]由于列名由多个单词组成，因此您需要用来修饰列名：
objdatarowcollection = objdatatable.Select("[student Id] ='" + stringname + "'");
注意：这不是语法错误，而是由错误的表达式语法引起的运行时错误。
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我来说两句