The IndexOf method in C# is case -sensitive. However, you can use the CompareInto class to make it insensitive to case. I'll cover the following topics in the code samples below: IndexOfC#, String, Comparison, CompareOptions, and IgnoreCase. How to VB.NET String.IndexOf() The IndexOf method in String Class returns the index of the first occurrence of the specified substring. string.indexof case insensitive. ASP.NET Forums on Bytes. C# Web Development for ASP.NET: Visual QuickStart Guide Figure 4.44 The IndexOf and LastIndexOf functions let you search for a character in the string. Tips. You can search for a single character or for a substring. Here's how to search for a substring. Let's say you were searching for .exe in a string containing "MyProgram.exe." if you have primary key column in the data table you can use DataRow dr = DataTable1.Rows.Find([primary key value]); which will give you the datarow object.and after can use method IndexOf available Rows
If you want to use IndexOf(), do the following [or assign an id to every control]: ASP.NET must create IDs for the client-side. This helps ASP.NET determine where controls were at within given controls, which is then used to rebuild the current page during postbacks. Version 1: Here we invoke IndexOf with a char argument. We use a char instead of a string, but the output is the same. Version 2: This version of the code calls IndexOf with a single-character string argument. Result: The string IndexOf will require more CPU cycles. And even if we pass in StringComparison.Ordinal, it is slower. Examples. The following example demonstrates all three overloads of the IndexOf method. A List
The IndexOf method in C# is case -sensitive. However, you can use the CompareInto class to make it insensitive to case. I'll cover the following topics in the code samples below: IndexOfC#, String, Comparison, CompareOptions, and IgnoreCase.
Examples. The following code example demonstrates many of the properties and methods of Collection
The C# IndexOf() is used to get index of the specified character present in the string. It returns index as an integer value. Signature. public int IndexOf Hi All, I have a string like "system\admin". Now I want get the "admin" part alone from the string using IndexOf() method.Can anyone please help 8 พ.ย. 2008 ASP.NET IndexOf() ตรวจสอบว่าข้อความที่ต้นหาอยู่ในตำแหน่งแรกหรือไม่ ได้ค่าเป็น 0 หรือ -1. Syntax. String.IndexOf(string). Sample. view source.